28655334 has 24 divisors (see below), whose sum is σ = 62189400. Its totient is φ = 9535968.

The previous prime is 28655327. The next prime is 28655357. The reversal of 28655334 is 43355682.

It is a happy number.

It is a super-2 number, since 2×28655334² = 1642256333303112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16017 + ... + 17715.

It is an arithmetic number, because the mean of its divisors is an integer number (2591225).

Almost surely, 2^28655334 is an apocalyptic number.

28655334 is an abundant number, since it is smaller than the sum of its proper divisors (33534066).

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

28655334 is a wasteful number, since it uses less digits than its factorization.

28655334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644 (or 2641 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 28655334 is about 5353.0677186077. The cubic root of 28655334 is about 306.0096754598.

The spelling of 28655334 in words is "twenty-eight million, six hundred fifty-five thousand, three hundred thirty-four".