27894630 has 32 divisors (see below), whose sum is σ = 69859584. Its totient is φ = 7114976.

The previous prime is 27894623. The next prime is 27894673. The reversal of 27894630 is 3649872.

It is a super-2 number, since 2×27894630² = 1556220765673800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19524 + ... + 20903.

It is an arithmetic number, because the mean of its divisors is an integer number (2183112).

Almost surely, 2^27894630 is an apocalyptic number.

27894630 is an abundant number, since it is smaller than the sum of its proper divisors (41964954).

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

27894630 is a wasteful number, since it uses less digits than its factorization.

27894630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40460.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 27894630 is about 5281.5367081939. The cubic root of 27894630 is about 303.2775072027.

The spelling of 27894630 in words is "twenty-seven million, eight hundred ninety-four thousand, six hundred thirty".