3964040 has 32 divisors (see below), whose sum is σ = 9008280. Its totient is φ = 1569792.

The previous prime is 3964031. The next prime is 3964061. The reversal of 3964040 is 404693.

3964040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2696164 + 1267876 = 1642^2 + 1126^2 .

It is a super-2 number, since 2×3964040² = 31427226243200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4082 + ... + 4958.

Almost surely, 2^3964040 is an apocalyptic number.

It is an amenable number.

3964040 is an abundant number, since it is smaller than the sum of its proper divisors (5044240).

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

3964040 is a wasteful number, since it uses less digits than its factorization.

3964040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 3964040 is about 1990.9897036399. The cubic root of 3964040 is about 158.2629813645.

The spelling of 3964040 in words is "three million, nine hundred sixty-four thousand, forty".