39428888 has 8 divisors (see below), whose sum is σ = 73929180. Its totient is φ = 19714440.

The previous prime is 39428887. The next prime is 39428903. The reversal of 39428888 is 88882493.

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39428881) 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 as a sum of consecutive naturals, namely, 2464298 + ... + 2464313.

Almost surely, 2^39428888 is an apocalyptic number.

It is an amenable number.

39428888 is a deficient number, since it is larger than the sum of its proper divisors (34500292).

39428888 is a wasteful number, since it uses less digits than its factorization.

39428888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928617 (or 4928613 counting only the distinct ones).

The product of its digits is 884736, while the sum is 50.

The square root of 39428888 is about 6279.2426294896. The cubic root of 39428888 is about 340.3597345914.

The spelling of 39428888 in words is "thirty-nine million, four hundred twenty-eight thousand, eight hundred eighty-eight".