28127324 has 12 divisors (see below), whose sum is σ = 49411824. Its totient is φ = 14009664.

The previous prime is 28127273. The next prime is 28127327. The reversal of 28127324 is 42372182.

It is a super-2 number, since 2×28127324² = 1582292710801952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28127327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12317 + ... + 14420.

It is an arithmetic number, because the mean of its divisors is an integer number (4117652).

Almost surely, 2^28127324 is an apocalyptic number.

It is an amenable number.

28127324 is a deficient number, since it is larger than the sum of its proper divisors (21284500).

28127324 is a wasteful number, since it uses less digits than its factorization.

28127324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27004 (or 27002 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 28127324 is about 5303.5199631943. The cubic root of 28127324 is about 304.1184758664.

The spelling of 28127324 in words is "twenty-eight million, one hundred twenty-seven thousand, three hundred twenty-four".