28127974 has 16 divisors (see below), whose sum is σ = 49775616. Its totient is φ = 11665800.

The previous prime is 28127959. The next prime is 28127987. The reversal of 28127974 is 47972182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31972 + ... + 32839.

It is an arithmetic number, because the mean of its divisors is an integer number (3110976).

Almost surely, 2^28127974 is an apocalyptic number.

28127974 is a deficient number, since it is larger than the sum of its proper divisors (21647642).

28127974 is a wasteful number, since it uses less digits than its factorization.

28127974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64851.

The product of its digits is 56448, while the sum is 40.

The square root of 28127974 is about 5303.5812428962. The cubic root of 28127974 is about 304.1208184935.

The spelling of 28127974 in words is "twenty-eight million, one hundred twenty-seven thousand, nine hundred seventy-four".