27231490 has 64 divisors (see below), whose sum is σ = 58423680. Its totient is φ = 9008640.

The previous prime is 27231487. The next prime is 27231499. The reversal of 27231490 is 9413272.

It is not an unprimeable number, because it can be changed into a prime (27231499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195841 + ... + 195979.

It is an arithmetic number, because the mean of its divisors is an integer number (912870).

Almost surely, 2^27231490 is an apocalyptic number.

27231490 is an abundant number, since it is smaller than the sum of its proper divisors (31192190).

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

27231490 is a wasteful number, since it uses less digits than its factorization.

27231490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 27231490 is about 5218.3800168251. The cubic root of 27231490 is about 300.8549316953.

The spelling of 27231490 in words is "twenty-seven million, two hundred thirty-one thousand, four hundred ninety".