869347938 has 32 divisors (see below), whose sum is σ = 1846177920. Its totient is φ = 271965440.

The previous prime is 869347909. The next prime is 869347939. The reversal of 869347938 is 839743968.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (869347939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24748 + ... + 48488.

It is an arithmetic number, because the mean of its divisors is an integer number (57693060).

Almost surely, 2^869347938 is an apocalyptic number.

869347938 is an abundant number, since it is smaller than the sum of its proper divisors (976829982).

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

869347938 is a wasteful number, since it uses less digits than its factorization.

869347938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24122.

The product of its digits is 7838208, while the sum is 57.

The square root of 869347938 is about 29484.7068494839. The cubic root of 869347938 is about 954.4017114625.

The spelling of 869347938 in words is "eight hundred sixty-nine million, three hundred forty-seven thousand, nine hundred thirty-eight".