4964640 has 48 divisors (see below), whose sum is σ = 15640128. Its totient is φ = 1323776.

The previous prime is 4964639. The next prime is 4964647. The reversal of 4964640 is 464694.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (4964647) 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, 4692 + ... + 5651.

It is an arithmetic number, because the mean of its divisors is an integer number (325836).

Almost surely, 2^4964640 is an apocalyptic number.

4964640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4964640 is an abundant number, since it is smaller than the sum of its proper divisors (10675488).

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

4964640 is a wasteful number, since it uses less digits than its factorization.

4964640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10361 (or 10353 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 4964640 is about 2228.1472123717. The cubic root of 4964640 is about 170.5935423496.

The spelling of 4964640 in words is "four million, nine hundred sixty-four thousand, six hundred forty".