4520890 has 32 divisors (see below), whose sum is σ = 9014976. Its totient is φ = 1618560.

The previous prime is 4520881. The next prime is 4520909. The reversal of 4520890 is 980254.

It is a happy 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, 7749 + ... + 8311.

It is an arithmetic number, because the mean of its divisors is an integer number (281718).

Almost surely, 2^4520890 is an apocalyptic number.

4520890 is a deficient number, since it is larger than the sum of its proper divisors (4494086).

4520890 is a wasteful number, since it uses less digits than its factorization.

4520890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 4520890 is about 2126.2384626377. The cubic root of 4520890 is about 165.3514394771.

The spelling of 4520890 in words is "four million, five hundred twenty thousand, eight hundred ninety".