4777990 has 40 divisors (see below), whose sum is σ = 10083600. Its totient is φ = 1629936.

The previous prime is 4777967. The next prime is 4778009. The reversal of 4777990 is 997774.

It is a nialpdrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23911 + ... + 24109.

It is an arithmetic number, because the mean of its divisors is an integer number (252090).

Almost surely, 2^4777990 is an apocalyptic number.

4777990 is an abundant number, since it is smaller than the sum of its proper divisors (5305610).

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

4777990 is an equidigital number, since it uses as much as digits as its factorization.

4777990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 4777990 is about 2185.8613862732. The cubic root of 4777990 is about 168.4283052832.

The spelling of 4777990 in words is "four million, seven hundred seventy-seven thousand, nine hundred ninety".