4564990 has 8 divisors (see below), whose sum is σ = 8217000. Its totient is φ = 1825992.

The previous prime is 4564961. The next prime is 4564991. The reversal of 4564990 is 994654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4564991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228240 + ... + 228259.

It is an arithmetic number, because the mean of its divisors is an integer number (1027125).

Almost surely, 2^4564990 is an apocalyptic number.

4564990 is a deficient number, since it is larger than the sum of its proper divisors (3652010).

4564990 is a wasteful number, since it uses less digits than its factorization.

4564990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456506.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 4564990 is about 2136.5837217390. The cubic root of 4564990 is about 165.8873528102.

The spelling of 4564990 in words is "four million, five hundred sixty-four thousand, nine hundred ninety".