4638500 has 24 divisors (see below), whose sum is σ = 10131576. Its totient is φ = 1855200.

The previous prime is 4638461. The next prime is 4638509. The reversal of 4638500 is 58364.

It can be written as a sum of positive squares in 4 ways, for example, as 7396 + 4631104 = 86^2 + 2152^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4638500.

It is not an unprimeable number, because it can be changed into a prime (4638509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4139 + ... + 5138.

It is an arithmetic number, because the mean of its divisors is an integer number (422149).

Almost surely, 2^4638500 is an apocalyptic number.

It is an amenable number.

4638500 is an abundant number, since it is smaller than the sum of its proper divisors (5493076).

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

4638500 is a wasteful number, since it uses less digits than its factorization.

4638500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9296 (or 9284 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 4638500 is about 2153.7177159507. The cubic root of 4638500 is about 166.7730432009.

The spelling of 4638500 in words is "four million, six hundred thirty-eight thousand, five hundred".