1385874072 has 96 divisors (see below), whose sum is σ = 4205382480. Its totient is φ = 408602880.

The previous prime is 1385874071. The next prime is 1385874097. The reversal of 1385874072 is 2704785831.

It is a super-2 number, since 2×1385874072² = 3841293886883722368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385874071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5658 + ... + 52950.

Almost surely, 2^1385874072 is an apocalyptic number.

1385874072 is a gapful number since it is divisible by the number (12) 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 1385874072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2102691240).

1385874072 is an abundant number, since it is smaller than the sum of its proper divisors (2819508408).

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

1385874072 is a wasteful number, since it uses less digits than its factorization.

1385874072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47353 (or 47346 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 1385874072 is about 37227.3296383181. The cubic root of 1385874072 is about 1114.9137115418.

The spelling of 1385874072 in words is "one billion, three hundred eighty-five million, eight hundred seventy-four thousand, seventy-two".