4939901 has 2 divisors, whose sum is σ = 4939902. Its totient is φ = 4939900.

The previous prime is 4939861. The next prime is 4939903. The reversal of 4939901 is 1099394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3511876 + 1428025 = 1874^2 + 1195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4939901 is a prime.

Together with 4939903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4939903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2469950 + 2469951.

It is an arithmetic number, because the mean of its divisors is an integer number (2469951).

Almost surely, 2^4939901 is an apocalyptic number.

It is an amenable number.

4939901 is a deficient number, since it is larger than the sum of its proper divisors (1).

4939901 is an equidigital number, since it uses as much as digits as its factorization.

4939901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 4939901 is about 2222.5888058748. The cubic root of 4939901 is about 170.3097122289.

The spelling of 4939901 in words is "four million, nine hundred thirty-nine thousand, nine hundred one".