3964340 has 24 divisors (see below), whose sum is σ = 8363040. Its totient is φ = 1578528.

The previous prime is 3964333. The next prime is 3964357. The reversal of 3964340 is 434693.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7319 + ... + 7841.

It is an arithmetic number, because the mean of its divisors is an integer number (348460).

Almost surely, 2^3964340 is an apocalyptic number.

It is an amenable number.

3964340 is an abundant number, since it is smaller than the sum of its proper divisors (4398700).

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

3964340 is a wasteful number, since it uses less digits than its factorization.

3964340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 3964340 is about 1991.0650416297. The cubic root of 3964340 is about 158.2669737306.

The spelling of 3964340 in words is "three million, nine hundred sixty-four thousand, three hundred forty".