4893990 has 32 divisors (see below), whose sum is σ = 12065760. Its totient is φ = 1269504.

The previous prime is 4893983. The next prime is 4894031. The reversal of 4893990 is 993984.

It is a super-2 number, since 2×4893990² = 47902276240200, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1095 + ... + 3314.

It is an arithmetic number, because the mean of its divisors is an integer number (377055).

Almost surely, 2^4893990 is an apocalyptic number.

4893990 is an abundant number, since it is smaller than the sum of its proper divisors (7171770).

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

4893990 is a wasteful number, since it uses less digits than its factorization.

4893990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4456.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 4893990 is about 2212.2364249781. The cubic root of 4893990 is about 169.7804547696.

The spelling of 4893990 in words is "four million, eight hundred ninety-three thousand, nine hundred ninety".