4990357 has 2 divisors, whose sum is σ = 4990358. Its totient is φ = 4990356.

The previous prime is 4990343. The next prime is 4990393. The reversal of 4990357 is 7530994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4977361 + 12996 = 2231^2 + 114^2 .

It is a cyclic number.

It is not a de Polignac number, because 4990357 - 2⁷ = 4990229 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4990327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2495178 + 2495179.

It is an arithmetic number, because the mean of its divisors is an integer number (2495179).

Almost surely, 2^4990357 is an apocalyptic number.

It is an amenable number.

4990357 is a deficient number, since it is larger than the sum of its proper divisors (1).

4990357 is an equidigital number, since it uses as much as digits as its factorization.

4990357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 4990357 is about 2233.9106965141. The cubic root of 4990357 is about 170.8875952687.

The spelling of 4990357 in words is "four million, nine hundred ninety thousand, three hundred fifty-seven".