4638785 has 16 divisors (see below), whose sum is σ = 5754240. Its totient is φ = 3588480.

The previous prime is 4638761. The next prime is 4638791. The reversal of 4638785 is 5878364.

It is a happy number.

It is not a de Polignac number, because 4638785 - 2⁶ = 4638721 is a prime.

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, 25826 + ... + 26004.

It is an arithmetic number, because the mean of its divisors is an integer number (359640).

Almost surely, 2^4638785 is an apocalyptic number.

It is an amenable number.

4638785 is a deficient number, since it is larger than the sum of its proper divisors (1115455).

4638785 is a wasteful number, since it uses less digits than its factorization.

4638785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328.

The product of its digits is 161280, while the sum is 41.

The square root of 4638785 is about 2153.7838795942. The cubic root of 4638785 is about 166.7764587694.

The spelling of 4638785 in words is "four million, six hundred thirty-eight thousand, seven hundred eighty-five".