1869950832 has 80 divisors (see below), whose sum is σ = 4892044032. Its totient is φ = 615444480.

The previous prime is 1869950813. The next prime is 1869950843. The reversal of 1869950832 is 2380599681.

It is a happy number.

It is a super-2 number, since 2×1869950832² = 6993432228194984448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2963157 + ... + 2963787.

Almost surely, 2^1869950832 is an apocalyptic number.

1869950832 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 1869950832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2446022016).

1869950832 is an abundant number, since it is smaller than the sum of its proper divisors (3022093200).

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

1869950832 is a wasteful number, since it uses less digits than its factorization.

1869950832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326 (or 1320 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The square root of 1869950832 is about 43242.9281154734. The cubic root of 1869950832 is about 1231.9981693063.

The spelling of 1869950832 in words is "one billion, eight hundred sixty-nine million, nine hundred fifty thousand, eight hundred thirty-two".