27400836 has 12 divisors (see below), whose sum is σ = 63935312. Its totient is φ = 9133608.

The previous prime is 27400819. The next prime is 27400883. The reversal of 27400836 is 63800472.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1141690 + ... + 1141713.

Almost surely, 2^27400836 is an apocalyptic number.

It is an amenable number.

27400836 is an abundant number, since it is smaller than the sum of its proper divisors (36534476).

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

27400836 is a wasteful number, since it uses less digits than its factorization.

27400836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283410 (or 2283408 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 27400836 is about 5234.5807855071. The cubic root of 27400836 is about 301.4772912059.

The spelling of 27400836 in words is "twenty-seven million, four hundred thousand, eight hundred thirty-six".