28415970 has 48 divisors (see below), whose sum is σ = 80600832. Its totient is φ = 6888480.

The previous prime is 28415957. The next prime is 28415977. The reversal of 28415970 is 7951482.

28415970 is a `hidden beast` number, since 28 + 41 + 597 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (28415977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13362 + ... + 15341.

It is an arithmetic number, because the mean of its divisors is an integer number (1679184).

Almost surely, 2^28415970 is an apocalyptic number.

28415970 is an abundant number, since it is smaller than the sum of its proper divisors (52184862).

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

28415970 is a wasteful number, since it uses less digits than its factorization.

28415970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28727 (or 28724 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 28415970 is about 5330.6631857584. The cubic root of 28415970 is about 305.1552376455.

The spelling of 28415970 in words is "twenty-eight million, four hundred fifteen thousand, nine hundred seventy".