28742958 has 16 divisors (see below), whose sum is σ = 63873360. Its totient is φ = 9580968.

The previous prime is 28742951. The next prime is 28742977. The reversal of 28742958 is 85924782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28742951) 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, 266085 + ... + 266192.

It is an arithmetic number, because the mean of its divisors is an integer number (3992085).

Almost surely, 2^28742958 is an apocalyptic number.

28742958 is an abundant number, since it is smaller than the sum of its proper divisors (35130402).

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

28742958 is a wasteful number, since it uses less digits than its factorization.

28742958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532288 (or 532282 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 28742958 is about 5361.2459372799. The cubic root of 28742958 is about 306.3212696549.

It can be divided in two parts, 2874 and 2958, that added together give a cube (5832 = 18³).

The spelling of 28742958 in words is "twenty-eight million, seven hundred forty-two thousand, nine hundred fifty-eight".