4640931 has 12 divisors (see below), whose sum is σ = 6722352. Its totient is φ = 3085296.

The previous prime is 4640929. The next prime is 4640953. The reversal of 4640931 is 1390464.

It is not a de Polignac number, because 4640931 - 2¹ = 4640929 is a prime.

It is a super-2 number, since 2×4640931² = 43076481093522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4640895 and 4640904.

It is not an unprimeable number, because it can be changed into a prime (4640971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5425 + ... + 6221.

It is an arithmetic number, because the mean of its divisors is an integer number (560196).

Almost surely, 2^4640931 is an apocalyptic number.

4640931 is a deficient number, since it is larger than the sum of its proper divisors (2081421).

4640931 is a wasteful number, since it uses less digits than its factorization.

4640931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450 (or 1447 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 4640931 is about 2154.2820149646. The cubic root of 4640931 is about 166.8021729096.

The spelling of 4640931 in words is "four million, six hundred forty thousand, nine hundred thirty-one".