28157162 has 8 divisors (see below), whose sum is σ = 46075392. Its totient is φ = 12798700.

The previous prime is 28157159. The next prime is 28157179. The reversal of 28157162 is 26175182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639914 + ... + 639957.

It is an arithmetic number, because the mean of its divisors is an integer number (5759424).

Almost surely, 2^28157162 is an apocalyptic number.

28157162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28157162 is a deficient number, since it is larger than the sum of its proper divisors (17918230).

28157162 is a wasteful number, since it uses less digits than its factorization.

28157162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279884.

The product of its digits is 6720, while the sum is 32.

The square root of 28157162 is about 5306.3322549573. The cubic root of 28157162 is about 304.2259760828.

The spelling of 28157162 in words is "twenty-eight million, one hundred fifty-seven thousand, one hundred sixty-two".