39995304 has 64 divisors (see below), whose sum is σ = 106176000. Its totient is φ = 12519360.

The previous prime is 39995303. The next prime is 39995309. The reversal of 39995304 is 40359993.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (39995303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63069 + ... + 63699.

It is an arithmetic number, because the mean of its divisors is an integer number (1659000).

Almost surely, 2^39995304 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 39995304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53088000).

39995304 is an abundant number, since it is smaller than the sum of its proper divisors (66180696).

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

39995304 is a wasteful number, since it uses less digits than its factorization.

39995304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 39995304 is about 6324.1840580426. The cubic root of 39995304 is about 341.9818053998.

It can be divided in two parts, 399 and 95304, that added together give a triangular number (95703 = T₄₃₇).

The spelling of 39995304 in words is "thirty-nine million, nine hundred ninety-five thousand, three hundred four".