39964704 has 96 divisors (see below), whose sum is σ = 116734464. Its totient is φ = 11888640.

The previous prime is 39964643. The next prime is 39964747. The reversal of 39964704 is 40746993.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38172 + ... + 39204.

It is an arithmetic number, because the mean of its divisors is an integer number (1215984).

Almost surely, 2^39964704 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 39964704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58367232).

39964704 is an abundant number, since it is smaller than the sum of its proper divisors (76769760).

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

39964704 is a wasteful number, since it uses less digits than its factorization.

39964704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 1082 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 39964704 is about 6321.7643106968. The cubic root of 39964704 is about 341.8945675483.

The spelling of 39964704 in words is "thirty-nine million, nine hundred sixty-four thousand, seven hundred four".