4694640 has 80 divisors (see below), whose sum is σ = 15046656. Its totient is φ = 1209600.

The previous prime is 4694629. The next prime is 4694659. The reversal of 4694640 is 464964.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7125 + ... + 7755.

Almost surely, 2^4694640 is an apocalyptic number.

4694640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4694640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7523328).

4694640 is an abundant number, since it is smaller than the sum of its proper divisors (10352016).

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

4694640 is a wasteful number, since it uses less digits than its factorization.

4694640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 672 counting only the distinct ones).

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

The square root of 4694640 is about 2166.7117944018. The cubic root of 4694640 is about 167.4431677690.

The spelling of 4694640 in words is "four million, six hundred ninety-four thousand, six hundred forty".