4992491 has 8 divisors (see below), whose sum is σ = 5732064. Its totient is φ = 4259520.

The previous prime is 4992487. The next prime is 4992499. The reversal of 4992491 is 1942994.

It is a happy number.

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 4992491 - 2² = 4992487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4992499) 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, 101 + ... + 3161.

It is an arithmetic number, because the mean of its divisors is an integer number (716508).

Almost surely, 2^4992491 is an apocalyptic number.

4992491 is a deficient number, since it is larger than the sum of its proper divisors (739573).

4992491 is a wasteful number, since it uses less digits than its factorization.

4992491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301.

The product of its digits is 23328, while the sum is 38.

The square root of 4992491 is about 2234.3882831773. The cubic root of 4992491 is about 170.9119503839.

The spelling of 4992491 in words is "four million, nine hundred ninety-two thousand, four hundred ninety-one".