4631385 has 16 divisors (see below), whose sum is σ = 8084160. Its totient is φ = 2245440.

The previous prime is 4631371. The next prime is 4631399. The reversal of 4631385 is 5831364.

It is an interprime number because it is at equal distance from previous prime (4631371) and next prime (4631399).

It is not a de Polignac number, because 4631385 - 2⁵ = 4631353 is a prime.

4631385 is a lucky 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, 13870 + ... + 14199.

It is an arithmetic number, because the mean of its divisors is an integer number (505260).

Almost surely, 2^4631385 is an apocalyptic number.

It is an amenable number.

4631385 is a deficient number, since it is larger than the sum of its proper divisors (3452775).

4631385 is a wasteful number, since it uses less digits than its factorization.

4631385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28088.

The product of its digits is 8640, while the sum is 30.

The square root of 4631385 is about 2152.0652871138. The cubic root of 4631385 is about 166.6877284494.

The spelling of 4631385 in words is "four million, six hundred thirty-one thousand, three hundred eighty-five".