4890642 has 16 divisors (see below), whose sum is σ = 9812352. Its totient is φ = 1625040.

The previous prime is 4890637. The next prime is 4890659. The reversal of 4890642 is 2460984.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092 + ... + 3312.

It is an arithmetic number, because the mean of its divisors is an integer number (613272).

Almost surely, 2^4890642 is an apocalyptic number.

4890642 is an abundant number, since it is smaller than the sum of its proper divisors (4921710).

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

4890642 is a wasteful number, since it uses less digits than its factorization.

4890642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 4890642 is about 2211.4795952032. The cubic root of 4890642 is about 169.7417300867.

The spelling of 4890642 in words is "four million, eight hundred ninety thousand, six hundred forty-two".