27286990 has 16 divisors (see below), whose sum is σ = 49302720. Its totient is φ = 10873440.

The previous prime is 27286979. The next prime is 27287003. The reversal of 27286990 is 9968272.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 2325 + ... + 7744.

It is an arithmetic number, because the mean of its divisors is an integer number (3081420).

Almost surely, 2^27286990 is an apocalyptic number.

27286990 is a deficient number, since it is larger than the sum of its proper divisors (22015730).

27286990 is a wasteful number, since it uses less digits than its factorization.

27286990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10347.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 27286990 is about 5223.6950523552. The cubic root of 27286990 is about 301.0591819701.

The spelling of 27286990 in words is "twenty-seven million, two hundred eighty-six thousand, nine hundred ninety".