4645090 has 16 divisors (see below), whose sum is σ = 8402688. Its totient is φ = 1848816.

The previous prime is 4645073. The next prime is 4645099. The reversal of 4645090 is 905464.

It is a super-2 number, since 2×4645090² = 43153722216200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4645099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189 + ... + 3271.

It is an arithmetic number, because the mean of its divisors is an integer number (525168).

Almost surely, 2^4645090 is an apocalyptic number.

4645090 is a deficient number, since it is larger than the sum of its proper divisors (3757598).

4645090 is a wasteful number, since it uses less digits than its factorization.

4645090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 4645090 is about 2155.2470856029. The cubic root of 4645090 is about 166.8519849775.

The spelling of 4645090 in words is "four million, six hundred forty-five thousand, ninety".