38899828 has 12 divisors (see below), whose sum is σ = 74263392. Its totient is φ = 17681720.

The previous prime is 38899789. The next prime is 38899843. The reversal of 38899828 is 82899883.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442000 + ... + 442087.

It is an arithmetic number, because the mean of its divisors is an integer number (6188616).

Almost surely, 2^38899828 is an apocalyptic number.

It is an amenable number.

38899828 is a deficient number, since it is larger than the sum of its proper divisors (35363564).

38899828 is a wasteful number, since it uses less digits than its factorization.

38899828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884102 (or 884100 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 55.

The square root of 38899828 is about 6236.9726630794. The cubic root of 38899828 is about 338.8305496916.

Adding to 38899828 its sum of digits (55), we get a palindrome (38899883).

The spelling of 38899828 in words is "thirty-eight million, eight hundred ninety-nine thousand, eight hundred twenty-eight".