869980392 has 32 divisors (see below), whose sum is σ = 2416612800. Its totient is φ = 289993392.

The previous prime is 869980381. The next prime is 869980399. The reversal of 869980392 is 293089968.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (869980399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2013628 + ... + 2014059.

It is an arithmetic number, because the mean of its divisors is an integer number (75519150).

Almost surely, 2^869980392 is an apocalyptic number.

It is an amenable number.

869980392 is an abundant number, since it is smaller than the sum of its proper divisors (1546632408).

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

869980392 is a wasteful number, since it uses less digits than its factorization.

869980392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4027702 (or 4027692 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 869980392 is about 29495.4300189029. The cubic root of 869980392 is about 954.6330990099.

The spelling of 869980392 in words is "eight hundred sixty-nine million, nine hundred eighty thousand, three hundred ninety-two".