1870115328 has 120 divisors (see below), whose sum is σ = 5715005868. Its totient is φ = 586678272.

The previous prime is 1870115321. The next prime is 1870115333. The reversal of 1870115328 is 8235110781.

It can be written as a sum of positive squares in 2 ways, for example, as 1862095104 + 8020224 = 43152^2 + 2832^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1870115292 and 1870115301.

It is not an unprimeable number, because it can be changed into a prime (1870115321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66400 + ... + 90272.

Almost surely, 2^1870115328 is an apocalyptic number.

1870115328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1870115328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2857502934).

1870115328 is an abundant number, since it is smaller than the sum of its proper divisors (3844890540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1870115328 is a wasteful number, since it uses less digits than its factorization.

1870115328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23914 (or 23895 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 1870115328 is about 43244.8300725069. The cubic root of 1870115328 is about 1232.0342937550.

The spelling of 1870115328 in words is "one billion, eight hundred seventy million, one hundred fifteen thousand, three hundred twenty-eight".