4936640 has 28 divisors (see below), whose sum is σ = 11756136. Its totient is φ = 1974528.

The previous prime is 4936619. The next prime is 4936649. The reversal of 4936640 is 466394.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 4936597 and 4936606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4936649) 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, 7394 + ... + 8033.

It is an arithmetic number, because the mean of its divisors is an integer number (419862).

Almost surely, 2^4936640 is an apocalyptic number.

4936640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4936640 is an abundant number, since it is smaller than the sum of its proper divisors (6819496).

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

4936640 is a wasteful number, since it uses less digits than its factorization.

4936640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15444 (or 15434 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 4936640 is about 2221.8550807827. The cubic root of 4936640 is about 170.2722281966.

The spelling of 4936640 in words is "four million, nine hundred thirty-six thousand, six hundred forty".