4638892 has 12 divisors (see below), whose sum is σ = 8595720. Its totient is φ = 2182976.

The previous prime is 4638859. The next prime is 4638899. The reversal of 4638892 is 2988364.

It is a d-powerful number, because it can be written as 4⁴ + 6³ + 3¹¹ + 8⁴ + 8⁶ + 9³ + 2²² .

It is not an unprimeable number, because it can be changed into a prime (4638899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34042 + ... + 34177.

It is an arithmetic number, because the mean of its divisors is an integer number (716310).

Almost surely, 2^4638892 is an apocalyptic number.

It is an amenable number.

4638892 is a deficient number, since it is larger than the sum of its proper divisors (3956828).

4638892 is a wasteful number, since it uses less digits than its factorization.

4638892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68240 (or 68238 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 4638892 is about 2153.8087194549. The cubic root of 4638892 is about 166.7777410695. Note that the first 4 decimals are identical.

The spelling of 4638892 in words is "four million, six hundred thirty-eight thousand, eight hundred ninety-two".