28483600 has 30 divisors (see below), whose sum is σ = 68432810. Its totient is φ = 11393280.

The previous prime is 28483589. The next prime is 28483613. The reversal of 28483600 is 638482.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 266256 + 28217344 = 516^2 + 5312^2 .

It is a super-2 number, since 2×28483600² = 1622630937920000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35205 + ... + 36004.

Almost surely, 2^28483600 is an apocalyptic number.

28483600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28483600 is an abundant number, since it is smaller than the sum of its proper divisors (39949210).

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

28483600 is a wasteful number, since it uses less digits than its factorization.

28483600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71227 (or 71216 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 28483600 is about 5337.0029042525. The cubic root of 28483600 is about 305.3971356323.

Subtracting from 28483600 its sum of digits (31), we obtain a square (28483569 = 5337²).

The spelling of 28483600 in words is "twenty-eight million, four hundred eighty-three thousand, six hundred".