4644398087 has 16 divisors (see below), whose sum is σ = 5341070592. Its totient is φ = 3956091840.

The previous prime is 4644398081. The next prime is 4644398117. The reversal of 4644398087 is 7808934464.

It is a cyclic number.

It is not a de Polignac number, because 4644398087 - 2¹⁰ = 4644397063 is a prime.

It is a super-4 number, since 4×4644398087⁴ (a number of 40 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4644398081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 928808 + ... + 933794.

It is an arithmetic number, because the mean of its divisors is an integer number (333816912).

Almost surely, 2^4644398087 is an apocalyptic number.

4644398087 is a deficient number, since it is larger than the sum of its proper divisors (696672505).

4644398087 is a wasteful number, since it uses less digits than its factorization.

4644398087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5798.

The product of its (nonzero) digits is 4644864, while the sum is 53.

The square root of 4644398087 is about 68149.8208875122. The cubic root of 4644398087 is about 1668.4370004363.

The spelling of 4644398087 in words is "four billion, six hundred forty-four million, three hundred ninety-eight thousand, eighty-seven".