4522890 has 32 divisors (see below), whose sum is σ = 10964160. Its totient is φ = 1193984.

The previous prime is 4522883. The next prime is 4522933. The reversal of 4522890 is 982254.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 2506 + ... + 3914.

It is an arithmetic number, because the mean of its divisors is an integer number (342630).

Almost surely, 2^4522890 is an apocalyptic number.

4522890 is an abundant number, since it is smaller than the sum of its proper divisors (6441270).

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

4522890 is a wasteful number, since it uses less digits than its factorization.

4522890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 4522890 is about 2126.7087247670. The cubic root of 4522890 is about 165.3758191991.

The spelling of 4522890 in words is "four million, five hundred twenty-two thousand, eight hundred ninety".