39698976 has 96 divisors (see below), whose sum is σ = 109105920. Its totient is φ = 12628224.

The previous prime is 39698969. The next prime is 39698977. The reversal of 39698976 is 67989693.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (39698977) 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, 243471 + ... + 243633.

It is an arithmetic number, because the mean of its divisors is an integer number (1136520).

Almost surely, 2^39698976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39698976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54552960).

39698976 is an abundant number, since it is smaller than the sum of its proper divisors (69406944).

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

39698976 is a wasteful number, since it uses less digits than its factorization.

39698976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 270 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 57.

The square root of 39698976 is about 6300.7123406802. The cubic root of 39698976 is about 341.1351218734.

The spelling of 39698976 in words is "thirty-nine million, six hundred ninety-eight thousand, nine hundred seventy-six".