214890484 has 6 divisors (see below), whose sum is σ = 376058354. Its totient is φ = 107445240.

The previous prime is 214890469. The next prime is 214890491. The reversal of 214890484 is 484098412.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 148108900 + 66781584 = 12170^2 + 8172^2 .

It is a super-2 number, since 2×214890484² = 92355840227508512, 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 (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26861307 + ... + 26861314.

Almost surely, 2^214890484 is an apocalyptic number.

It is an amenable number.

214890484 is a deficient number, since it is larger than the sum of its proper divisors (161167870).

214890484 is a wasteful number, since it uses less digits than its factorization.

214890484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53722625 (or 53722623 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 214890484 is about 14659.1433583276. The cubic root of 214890484 is about 598.9709063232.

The spelling of 214890484 in words is "two hundred fourteen million, eight hundred ninety thousand, four hundred eighty-four".