4940609 has 2 divisors, whose sum is σ = 4940610. Its totient is φ = 4940608.

The previous prime is 4940587. The next prime is 4940629. The reversal of 4940609 is 9060494.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3385600 + 1555009 = 1840^2 + 1247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4940609 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4940629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2470304 + 2470305.

It is an arithmetic number, because the mean of its divisors is an integer number (2470305).

Almost surely, 2^4940609 is an apocalyptic number.

It is an amenable number.

4940609 is a deficient number, since it is larger than the sum of its proper divisors (1).

4940609 is an equidigital number, since it uses as much as digits as its factorization.

4940609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 4940609 is about 2222.7480738941. The cubic root of 4940609 is about 170.3178482567.

Subtracting 4940609 from its reverse (9060494), we obtain a triangular number (4119885 = T₂₈₇₀).

The spelling of 4940609 in words is "four million, nine hundred forty thousand, six hundred nine".