28094724 has 36 divisors (see below), whose sum is σ = 81163264. Its totient is φ = 8026992.

The previous prime is 28094713. The next prime is 28094741. The reversal of 28094724 is 42749082.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 55492 + ... + 55995.

Almost surely, 2^28094724 is an apocalyptic number.

It is an amenable number.

28094724 is an abundant number, since it is smaller than the sum of its proper divisors (53068540).

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

28094724 is a wasteful number, since it uses less digits than its factorization.

28094724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111504 (or 111499 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 28094724 is about 5300.4456416418. The cubic root of 28094724 is about 304.0009377857. Note that the first 3 decimals are identical.

The spelling of 28094724 in words is "twenty-eight million, ninety-four thousand, seven hundred twenty-four".