4992990 has 32 divisors (see below), whose sum is σ = 12074400. Its totient is φ = 1321344.

The previous prime is 4992973. The next prime is 4992997. The reversal of 4992990 is 992994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4992997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3912 + ... + 5028.

It is an arithmetic number, because the mean of its divisors is an integer number (377325).

Almost surely, 2^4992990 is an apocalyptic number.

It is a pronic number, being equal to 2234×2235.

4992990 is an abundant number, since it is smaller than the sum of its proper divisors (7081410).

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

4992990 is a wasteful number, since it uses less digits than its factorization.

4992990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 4992990 is about 2234.4999440591. The cubic root of 4992990 is about 170.9176444167.

It can be divided in two parts, 49 and 92990, that added together give a palindrome (93039).

The spelling of 4992990 in words is "four million, nine hundred ninety-two thousand, nine hundred ninety".