4961637 has 12 divisors (see below), whose sum is σ = 7588620. Its totient is φ = 3113088.

The previous prime is 4961633. The next prime is 4961659. The reversal of 4961637 is 7361694.

4961637 is a `hidden beast` number, since 4 + 9 + 616 + 37 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3709476 + 1252161 = 1926^2 + 1119^2 .

It is not a de Polignac number, because 4961637 - 2² = 4961633 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4961633) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 16062 + ... + 16367.

It is an arithmetic number, because the mean of its divisors is an integer number (632385).

Almost surely, 2^4961637 is an apocalyptic number.

It is an amenable number.

4961637 is a deficient number, since it is larger than the sum of its proper divisors (2626983).

4961637 is a wasteful number, since it uses less digits than its factorization.

4961637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32452 (or 32449 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 4961637 is about 2227.4732321624. The cubic root of 4961637 is about 170.5591393359.

The spelling of 4961637 in words is "four million, nine hundred sixty-one thousand, six hundred thirty-seven".