4961644 has 12 divisors (see below), whose sum is σ = 8729224. Its totient is φ = 2467584.

The previous prime is 4961633. The next prime is 4961659. The reversal of 4961644 is 4461694.

It is a super-2 number, since 2×4961644² = 49235822365472, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam 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 3 ways as a sum of consecutive naturals, for example, 2442 + ... + 3985.

Almost surely, 2^4961644 is an apocalyptic number.

It is an amenable number.

4961644 is a deficient number, since it is larger than the sum of its proper divisors (3767580).

4961644 is a wasteful number, since it uses less digits than its factorization.

4961644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6624 (or 6622 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 4961644 is about 2227.4748034490. The cubic root of 4961644 is about 170.5592195456.

The spelling of 4961644 in words is "four million, nine hundred sixty-one thousand, six hundred forty-four".