4991592 has 32 divisors (see below), whose sum is σ = 12545280. Its totient is φ = 1655040.

The previous prime is 4991587. The next prime is 4991617. The reversal of 4991592 is 2951994.

4991592 = T₁₈₈ + T₁₈₉ + ... + T₃₃₁.

It is a self number, because there is not a number n which added to its sum of digits gives 4991592.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5353 + ... + 6215.

It is an arithmetic number, because the mean of its divisors is an integer number (392040).

Almost surely, 2^4991592 is an apocalyptic number.

It is an amenable number.

4991592 is an abundant number, since it is smaller than the sum of its proper divisors (7553688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4991592 is a wasteful number, since it uses less digits than its factorization.

4991592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 1109 counting only the distinct ones).

The product of its digits is 29160, while the sum is 39.

The square root of 4991592 is about 2234.1871004909. The cubic root of 4991592 is about 170.9016910387.

The spelling of 4991592 in words is "four million, nine hundred ninety-one thousand, five hundred ninety-two".