4990757 has 4 divisors (see below), whose sum is σ = 5009580. Its totient is φ = 4971936.

The previous prime is 4990753. The next prime is 4990759. The reversal of 4990757 is 7570994.

It is a happy number.

It is a Cunningham number, because it is equal to 2234²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 329476 + 4661281 = 574^2 + 2159^2 .

It is a cyclic number.

It is not a de Polignac number, because 4990757 - 2² = 4990753 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4990753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9008 + ... + 9545.

It is an arithmetic number, because the mean of its divisors is an integer number (1252395).

Almost surely, 2^4990757 is an apocalyptic number.

It is an amenable number.

4990757 is a deficient number, since it is larger than the sum of its proper divisors (18823).

4990757 is a wasteful number, since it uses less digits than its factorization.

4990757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18822.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 4990757 is about 2234.0002238138. Note that the first 3 decimals coincide. The cubic root of 4990757 is about 170.8921609549.

The spelling of 4990757 in words is "four million, nine hundred ninety thousand, seven hundred fifty-seven".