916490 has 16 divisors (see below), whose sum is σ = 1694952. Its totient is φ = 356544.

The previous prime is 916477. The next prime is 916501. The reversal of 916490 is 94619.

It can be written as a sum of positive squares in 4 ways, for example, as 866761 + 49729 = 931^2 + 223^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 869 + ... + 1608.

2⁹¹⁶⁴⁹⁰ is an apocalyptic number.

916490 is a deficient number, since it is larger than the sum of its proper divisors (778462).

916490 is a wasteful number, since it uses less digits than its factorization.

916490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 916490 is about 957.3348421529. The cubic root of 916490 is about 97.1350370620.

The spelling of 916490 in words is "nine hundred sixteen thousand, four hundred ninety".