27996285 has 32 divisors (see below), whose sum is σ = 46120320. Its totient is φ = 14496768.

The previous prime is 27996259. The next prime is 27996299. The reversal of 27996285 is 58269972.

It is not a de Polignac number, because 27996285 - 2¹⁴ = 27979901 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89289 + ... + 89601.

It is an arithmetic number, because the mean of its divisors is an integer number (1441260).

Almost surely, 2^27996285 is an apocalyptic number.

It is an amenable number.

27996285 is a deficient number, since it is larger than the sum of its proper divisors (18124035).

27996285 is a wasteful number, since it uses less digits than its factorization.

27996285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477.

The product of its digits is 544320, while the sum is 48.

The square root of 27996285 is about 5291.1515759804. The cubic root of 27996285 is about 303.6454669174.

The spelling of 27996285 in words is "twenty-seven million, nine hundred ninety-six thousand, two hundred eighty-five".