28542192 has 40 divisors (see below), whose sum is σ = 84268416. Its totient is φ = 8154816.

The previous prime is 28542179. The next prime is 28542193. The reversal of 28542192 is 29124582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28542193) 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, 42138 + ... + 42809.

Almost surely, 2^28542192 is an apocalyptic number.

It is an amenable number.

28542192 is an abundant number, since it is smaller than the sum of its proper divisors (55726224).

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

28542192 is a wasteful number, since it uses less digits than its factorization.

28542192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84965 (or 84959 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 28542192 is about 5342.4893074296. The cubic root of 28542192 is about 305.6063972602.

The spelling of 28542192 in words is "twenty-eight million, five hundred forty-two thousand, one hundred ninety-two".