28237076 has 12 divisors (see below), whose sum is σ = 56474208. Its totient is φ = 12101592.

The previous prime is 28237073. The next prime is 28237081. The reversal of 28237076 is 67073282.

28237076 is an admirable number.

It is a super-2 number, since 2×28237076² = 1594664922059552, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28237073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504206 + ... + 504261.

It is an arithmetic number, because the mean of its divisors is an integer number (4706184).

Almost surely, 2^28237076 is an apocalyptic number.

It is an amenable number.

28237076 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28237076 is a wasteful number, since it uses less digits than its factorization.

28237076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008478 (or 1008476 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 28237076 is about 5313.8569796335. The cubic root of 28237076 is about 304.5135163143.

The spelling of 28237076 in words is "twenty-eight million, two hundred thirty-seven thousand, seventy-six".