4640136 has 32 divisors (see below), whose sum is σ = 11653440. Its totient is φ = 1539648.

The previous prime is 4640131. The next prime is 4640137. The reversal of 4640136 is 6310464.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (4640131) 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, 9285 + ... + 9771.

It is an arithmetic number, because the mean of its divisors is an integer number (364170).

Almost surely, 2^4640136 is an apocalyptic number.

It is an amenable number.

4640136 is an abundant number, since it is smaller than the sum of its proper divisors (7013304).

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

4640136 is a wasteful number, since it uses less digits than its factorization.

4640136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 4640136 is about 2154.0974908300. The cubic root of 4640136 is about 166.7926478596.

The spelling of 4640136 in words is "four million, six hundred forty thousand, one hundred thirty-six".