4992890 has 16 divisors (see below), whose sum is σ = 10271232. Its totient is φ = 1711824.

The previous prime is 4992833. The next prime is 4992913. The reversal of 4992890 is 982994.

It is an unprimeable number.

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, 35594 + ... + 35733.

It is an arithmetic number, because the mean of its divisors is an integer number (641952).

Almost surely, 2^4992890 is an apocalyptic number.

4992890 is an abundant number, since it is smaller than the sum of its proper divisors (5278342).

4992890 is a wasteful number, since it uses less digits than its factorization.

4992890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71341.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 4992890 is about 2234.4775675759. The cubic root of 4992890 is about 170.9165033584.

The spelling of 4992890 in words is "four million, nine hundred ninety-two thousand, eight hundred ninety".