28957254 has 48 divisors (see below), whose sum is σ = 63367920. Its totient is φ = 8809920.

The previous prime is 28957241. The next prime is 28957261. The reversal of 28957254 is 45275982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62584 + ... + 63044.

It is an arithmetic number, because the mean of its divisors is an integer number (1320165).

Almost surely, 2^28957254 is an apocalyptic number.

28957254 is an abundant number, since it is smaller than the sum of its proper divisors (34410666).

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

28957254 is a wasteful number, since it uses less digits than its factorization.

28957254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 514 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 28957254 is about 5381.1944770655. The cubic root of 28957254 is about 307.0806551728.

The spelling of 28957254 in words is "twenty-eight million, nine hundred fifty-seven thousand, two hundred fifty-four".