28342974 has 32 divisors (see below), whose sum is σ = 63161856. Its totient is φ = 8405120.

The previous prime is 28342967. The next prime is 28343009. The reversal of 28342974 is 47924382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1467 + ... + 7670.

It is an arithmetic number, because the mean of its divisors is an integer number (1973808).

Almost surely, 2^28342974 is an apocalyptic number.

28342974 is an abundant number, since it is smaller than the sum of its proper divisors (34818882).

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

28342974 is a wasteful number, since it uses less digits than its factorization.

28342974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9200.

The product of its digits is 96768, while the sum is 39.

The square root of 28342974 is about 5323.8119801511. The cubic root of 28342974 is about 304.8937155424.

The spelling of 28342974 in words is "twenty-eight million, three hundred forty-two thousand, nine hundred seventy-four".