4640961 has 16 divisors (see below), whose sum is σ = 6723584. Its totient is φ = 2830464.

The previous prime is 4640953. The next prime is 4640969. The reversal of 4640961 is 1690464.

It is an interprime number because it is at equal distance from previous prime (4640953) and next prime (4640969).

It is not a de Polignac number, because 4640961 - 2³ = 4640953 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4485 + ... + 5421.

It is an arithmetic number, because the mean of its divisors is an integer number (420224).

Almost surely, 2^4640961 is an apocalyptic number.

It is an amenable number.

4640961 is a deficient number, since it is larger than the sum of its proper divisors (2082623).

4640961 is a wasteful number, since it uses less digits than its factorization.

4640961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 4640961 is about 2154.2889778300. The cubic root of 4640961 is about 166.8025323242.

The spelling of 4640961 in words is "four million, six hundred forty thousand, nine hundred sixty-one".