4939631 has 2 divisors, whose sum is σ = 4939632. Its totient is φ = 4939630.

The previous prime is 4939621. The next prime is 4939637. The reversal of 4939631 is 1369394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4939631 - 2⁶ = 4939567 is a prime.

It is a super-2 number, since 2×4939631² = 48799908832322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 4939591 and 4939600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4939637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2469815 + 2469816.

It is an arithmetic number, because the mean of its divisors is an integer number (2469816).

Almost surely, 2^4939631 is an apocalyptic number.

4939631 is a deficient number, since it is larger than the sum of its proper divisors (1).

4939631 is an equidigital number, since it uses as much as digits as its factorization.

4939631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 35.

The square root of 4939631 is about 2222.5280650646. The cubic root of 4939631 is about 170.3066093016.

The spelling of 4939631 in words is "four million, nine hundred thirty-nine thousand, six hundred thirty-one".