39902046 has 16 divisors (see below), whose sum is σ = 79866000. Its totient is φ = 13290368.

The previous prime is 39902029. The next prime is 39902047. The reversal of 39902046 is 64020993.

It is a super-2 number, since 2×39902046² = 3184346549972232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39901998 and 39902016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39902047) 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, 13990 + ... + 16598.

It is an arithmetic number, because the mean of its divisors is an integer number (4991625).

Almost surely, 2^39902046 is an apocalyptic number.

39902046 is an abundant number, since it is smaller than the sum of its proper divisors (39963954).

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

39902046 is a wasteful number, since it uses less digits than its factorization.

39902046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 39902046 is about 6316.8066299357. The cubic root of 39902046 is about 341.7157961740.

The spelling of 39902046 in words is "thirty-nine million, nine hundred two thousand, forty-six".