4891690 has 16 divisors (see below), whose sum is σ = 8955360. Its totient is φ = 1923280.

The previous prime is 4891681. The next prime is 4891703. The reversal of 4891690 is 961984.

It is a super-2 number, since 2×4891690² = 47857262112200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3556 + ... + 4735.

It is an arithmetic number, because the mean of its divisors is an integer number (559710).

Almost surely, 2^4891690 is an apocalyptic number.

4891690 is a deficient number, since it is larger than the sum of its proper divisors (4063670).

4891690 is a wasteful number, since it uses less digits than its factorization.

4891690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8357.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 4891690 is about 2211.7165279484. The cubic root of 4891690 is about 169.7538536912.

The spelling of 4891690 in words is "four million, eight hundred ninety-one thousand, six hundred ninety".