4992637 has 4 divisors (see below), whose sum is σ = 5376700. Its totient is φ = 4608576.

The previous prime is 4992629. The next prime is 4992661. The reversal of 4992637 is 7362994.

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 2013561 + 2979076 = 1419^2 + 1726^2 .

It is a cyclic number.

It is not a de Polignac number, because 4992637 - 2³ = 4992629 is a prime.

It is a Duffinian number.

4992637 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4992637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4992677) 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 3 ways as a sum of consecutive naturals, for example, 192012 + ... + 192037.

It is an arithmetic number, because the mean of its divisors is an integer number (1344175).

Almost surely, 2^4992637 is an apocalyptic number.

It is an amenable number.

4992637 is a deficient number, since it is larger than the sum of its proper divisors (384063).

4992637 is a wasteful number, since it uses less digits than its factorization.

4992637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384062.

The product of its digits is 81648, while the sum is 40.

The square root of 4992637 is about 2234.4209540729. The cubic root of 4992637 is about 170.9136164127.

It can be divided in two parts, 499 and 2637, that added together give a square (3136 = 56²).

The spelling of 4992637 in words is "four million, nine hundred ninety-two thousand, six hundred thirty-seven".