28573692 has 48 divisors (see below), whose sum is σ = 78661632. Its totient is φ = 7899840.

The previous prime is 28573673. The next prime is 28573709. The reversal of 28573692 is 29637582.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2883 + ... + 8090.

It is an arithmetic number, because the mean of its divisors is an integer number (1638784).

Almost surely, 2^28573692 is an apocalyptic number.

It is an amenable number.

28573692 is an abundant number, since it is smaller than the sum of its proper divisors (50087940).

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

28573692 is a wasteful number, since it uses less digits than its factorization.

28573692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11018 (or 11016 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 28573692 is about 5345.4365584113. The cubic root of 28573692 is about 305.7187813205.

The spelling of 28573692 in words is "twenty-eight million, five hundred seventy-three thousand, six hundred ninety-two".