28329392 has 40 divisors (see below), whose sum is σ = 67558176. Its totient is φ = 11206656.

The previous prime is 28329359. The next prime is 28329397. The reversal of 28329392 is 29392382.

It is not an unprimeable number, because it can be changed into a prime (28329397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8273 + ... + 11184.

Almost surely, 2^28329392 is an apocalyptic number.

It is an amenable number.

28329392 is an abundant number, since it is smaller than the sum of its proper divisors (39228784).

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

28329392 is a wasteful number, since it uses less digits than its factorization.

28329392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19485 (or 19479 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 28329392 is about 5322.5362375469. The cubic root of 28329392 is about 304.8450059035.

The spelling of 28329392 in words is "twenty-eight million, three hundred twenty-nine thousand, three hundred ninety-two".