4648990 has 64 divisors (see below), whose sum is σ = 9797760. Its totient is φ = 1576960.

The previous prime is 4648979. The next prime is 4648991. The reversal of 4648990 is 998464.

It is a super-2 number, since 2×4648990² = 43226216040200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4648991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113370 + ... + 113410.

It is an arithmetic number, because the mean of its divisors is an integer number (153090).

Almost surely, 2^4648990 is an apocalyptic number.

4648990 is an abundant number, since it is smaller than the sum of its proper divisors (5148770).

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

4648990 is a wasteful number, since it uses less digits than its factorization.

4648990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 4648990 is about 2156.1516644244. The cubic root of 4648990 is about 166.8986680135.

The spelling of 4648990 in words is "four million, six hundred forty-eight thousand, nine hundred ninety".