4990951 has 8 divisors (see below), whose sum is σ = 5727744. Its totient is φ = 4260120.

The previous prime is 4990949. The next prime is 4990961. The reversal of 4990951 is 1590994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4990951 - 2¹ = 4990949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4990951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4990961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486 + ... + 3196.

It is an arithmetic number, because the mean of its divisors is an integer number (715968).

Almost surely, 2^4990951 is an apocalyptic number.

4990951 is a deficient number, since it is larger than the sum of its proper divisors (736793).

4990951 is a wasteful number, since it uses less digits than its factorization.

4990951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 4990951 is about 2234.0436432621. The cubic root of 4990951 is about 170.8943752248.

The spelling of 4990951 in words is "four million, nine hundred ninety thousand, nine hundred fifty-one".