39242828 has 24 divisors (see below), whose sum is σ = 72836400. Its totient is φ = 18448128.

The previous prime is 39242813. The next prime is 39242831. The reversal of 39242828 is 82824293.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 39242791 and 39242800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8528 + ... + 12296.

It is an arithmetic number, because the mean of its divisors is an integer number (3034850).

Almost surely, 2^39242828 is an apocalyptic number.

39242828 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

39242828 is a deficient number, since it is larger than the sum of its proper divisors (33593572).

39242828 is a wasteful number, since it uses less digits than its factorization.

39242828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3929 (or 3927 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 39242828 is about 6264.4096290073. The cubic root of 39242828 is about 339.8235185608.

The spelling of 39242828 in words is "thirty-nine million, two hundred forty-two thousand, eight hundred twenty-eight".