902870939 has 8 divisors (see below), whose sum is σ = 932444160. Its totient is φ = 873325800.

The previous prime is 902870909. The next prime is 902870959. The reversal of 902870939 is 939078209.

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

It is a de Polignac number, because none of the positive numbers 2^k-902870939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 902870893 and 902870902.

It is not an unprimeable number, because it can be changed into a prime (902870909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72974 + ... + 84444.

It is an arithmetic number, because the mean of its divisors is an integer number (116555520).

Almost surely, 2^902870939 is an apocalyptic number.

902870939 is a deficient number, since it is larger than the sum of its proper divisors (29573221).

902870939 is a wasteful number, since it uses less digits than its factorization.

902870939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14041.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 902870939 is about 30047.8108853207. The cubic root of 902870939 is about 966.5149101578.

The spelling of 902870939 in words is "nine hundred two million, eight hundred seventy thousand, nine hundred thirty-nine".