28697084 has 48 divisors (see below), whose sum is σ = 56142240. Its totient is φ = 12752640.

The previous prime is 28697083. The next prime is 28697093. The reversal of 28697084 is 48079682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28697083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263222 + ... + 263330.

It is an arithmetic number, because the mean of its divisors is an integer number (1169630).

Almost surely, 2^28697084 is an apocalyptic number.

It is an amenable number.

28697084 is a deficient number, since it is larger than the sum of its proper divisors (27445156).

28697084 is a wasteful number, since it uses less digits than its factorization.

28697084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 28697084 is about 5356.9659323165. The cubic root of 28697084 is about 306.1582191162.

The spelling of 28697084 in words is "twenty-eight million, six hundred ninety-seven thousand, eighty-four".