28370656 has 12 divisors (see below), whose sum is σ = 55854792. Its totient is φ = 14185312.

The previous prime is 28370653. The next prime is 28370659. The reversal of 28370656 is 65607382.

It is an interprime number because it is at equal distance from previous prime (28370653) and next prime (28370659).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28370651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 443260 + ... + 443323.

It is an arithmetic number, because the mean of its divisors is an integer number (4654566).

Almost surely, 2^28370656 is an apocalyptic number.

It is an amenable number.

28370656 is a deficient number, since it is larger than the sum of its proper divisors (27484136).

28370656 is an equidigital number, since it uses as much as digits as its factorization.

28370656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886593 (or 886585 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 28370656 is about 5326.4111745152. The cubic root of 28370656 is about 304.9929443857.

The spelling of 28370656 in words is "twenty-eight million, three hundred seventy thousand, six hundred fifty-six".