4994621 has 2 divisors, whose sum is σ = 4994622. Its totient is φ = 4994620.

The previous prime is 4994603. The next prime is 4994659. The reversal of 4994621 is 1264994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4468996 + 525625 = 2114^2 + 725^2 .

It is a cyclic number.

It is not a de Polignac number, because 4994621 - 2⁶ = 4994557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4994221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2497310 + 2497311.

It is an arithmetic number, because the mean of its divisors is an integer number (2497311).

Almost surely, 2^4994621 is an apocalyptic number.

It is an amenable number.

4994621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4994621 is an equidigital number, since it uses as much as digits as its factorization.

4994621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 4994621 is about 2234.8648728726. The cubic root of 4994621 is about 170.9362529278.

The spelling of 4994621 in words is "four million, nine hundred ninety-four thousand, six hundred twenty-one".