4569990 has 32 divisors (see below), whose sum is σ = 11024640. Its totient is φ = 1212384.

The previous prime is 4569977. The next prime is 4570001. The reversal of 4569990 is 999654.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10191 + ... + 10629.

It is an arithmetic number, because the mean of its divisors is an integer number (344520).

Almost surely, 2^4569990 is an apocalyptic number.

4569990 is an abundant number, since it is smaller than the sum of its proper divisors (6454650).

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

4569990 is a wasteful number, since it uses less digits than its factorization.

4569990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 4569990 is about 2137.7534937406. The cubic root of 4569990 is about 165.9478957776.

The spelling of 4569990 in words is "four million, five hundred sixty-nine thousand, nine hundred ninety".