27940284 has 18 divisors (see below), whose sum is σ = 70626920. Its totient is φ = 9313416.

The previous prime is 27940277. The next prime is 27940301. The reversal of 27940284 is 48204972.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 776119 = 27940284 / (2 + 7 + 9 + 4 + 0 + 2 + 8 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 388024 + ... + 388095.

Almost surely, 2^27940284 is an apocalyptic number.

It is an amenable number.

27940284 is an abundant number, since it is smaller than the sum of its proper divisors (42686636).

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

27940284 is a wasteful number, since it uses less digits than its factorization.

27940284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776129 (or 776124 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 27940284 is about 5285.8569787689. The cubic root of 27940284 is about 303.4428709846.

It can be divided in two parts, 27940 and 284, that added together give a square (28224 = 168²).

The spelling of 27940284 in words is "twenty-seven million, nine hundred forty thousand, two hundred eighty-four".