869720938 has 8 divisors (see below), whose sum is σ = 1304707680. Its totient is φ = 434818380.

The previous prime is 869720911. The next prime is 869720941. The reversal of 869720938 is 839027968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24483 + ... + 48361.

It is an arithmetic number, because the mean of its divisors is an integer number (163088460).

Almost surely, 2^869720938 is an apocalyptic number.

869720938 is a deficient number, since it is larger than the sum of its proper divisors (434986742).

869720938 is a wasteful number, since it uses less digits than its factorization.

869720938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42092.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 869720938 is about 29491.0314841648. The cubic root of 869720938 is about 954.5381895903.

The spelling of 869720938 in words is "eight hundred sixty-nine million, seven hundred twenty thousand, nine hundred thirty-eight".