28952508 has 24 divisors (see below), whose sum is σ = 72752848. Its totient is φ = 8908416.

The previous prime is 28952503. The next prime is 28952531. The reversal of 28952508 is 80525982.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28952503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92641 + ... + 92952.

Almost surely, 2^28952508 is an apocalyptic number.

It is an amenable number.

28952508 is an abundant number, since it is smaller than the sum of its proper divisors (43800340).

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

28952508 is a wasteful number, since it uses less digits than its factorization.

28952508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185613 (or 185611 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 28952508 is about 5380.7534788355. The cubic root of 28952508 is about 307.0638777484.

The spelling of 28952508 in words is "twenty-eight million, nine hundred fifty-two thousand, five hundred eight".