39078896 has 20 divisors (see below), whose sum is σ = 79701000. Its totient is φ = 18510912.

The previous prime is 39078887. The next prime is 39078899. The reversal of 39078896 is 69887093.

It is a super-2 number, since 2×39078896² = 3054320225157632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39078899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63971 + ... + 64578.

It is an arithmetic number, because the mean of its divisors is an integer number (3985050).

Almost surely, 2^39078896 is an apocalyptic number.

It is an amenable number.

39078896 is an abundant number, since it is smaller than the sum of its proper divisors (40622104).

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

39078896 is a wasteful number, since it uses less digits than its factorization.

39078896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128576 (or 128570 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 39078896 is about 6251.3115423885. The cubic root of 39078896 is about 339.3496680646.

The spelling of 39078896 in words is "thirty-nine million, seventy-eight thousand, eight hundred ninety-six".