4639898 has 8 divisors (see below), whose sum is σ = 7031892. Its totient is φ = 2295936.

The previous prime is 4639891. The next prime is 4639903. The reversal of 4639898 is 8989364.

It can be written as a sum of positive squares in 2 ways, for example, as 4635409 + 4489 = 2153^2 + 67^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4639891) 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 3 ways as a sum of consecutive naturals, for example, 11765 + ... + 12152.

Almost surely, 2^4639898 is an apocalyptic number.

4639898 is a deficient number, since it is larger than the sum of its proper divisors (2391994).

4639898 is a wasteful number, since it uses less digits than its factorization.

4639898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24016.

The product of its digits is 373248, while the sum is 47.

The square root of 4639898 is about 2154.0422465681. The cubic root of 4639898 is about 166.7897961235.

The spelling of 4639898 in words is "four million, six hundred thirty-nine thousand, eight hundred ninety-eight".