28657300 has 36 divisors (see below), whose sum is σ = 71071840. Its totient is φ = 9825120.

The previous prime is 28657283. The next prime is 28657309. The reversal of 28657300 is 375682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28657309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19770 + ... + 21169.

Almost surely, 2^28657300 is an apocalyptic number.

28657300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28657300 is an abundant number, since it is smaller than the sum of its proper divisors (42414540).

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

28657300 is a wasteful number, since it uses less digits than its factorization.

28657300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40960 (or 40953 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 28657300 is about 5353.2513484797. The cubic root of 28657300 is about 306.0166735899.

The spelling of 28657300 in words is "twenty-eight million, six hundred fifty-seven thousand, three hundred".