28338004 has 12 divisors (see below), whose sum is σ = 50932084. Its totient is φ = 13785984.

The previous prime is 28337983. The next prime is 28338049. The reversal of 28338004 is 40083382.

It can be written as a sum of positive squares in 2 ways, for example, as 23541904 + 4796100 = 4852^2 + 2190^2 .

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, 95589 + ... + 95884.

Almost surely, 2^28338004 is an apocalyptic number.

It is an amenable number.

28338004 is a deficient number, since it is larger than the sum of its proper divisors (22594080).

28338004 is a wasteful number, since it uses less digits than its factorization.

28338004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191514 (or 191512 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 28338004 is about 5323.3451888826. The cubic root of 28338004 is about 304.8758932496.

The spelling of 28338004 in words is "twenty-eight million, three hundred thirty-eight thousand, four".