3964437 has 16 divisors (see below), whose sum is σ = 5904000. Its totient is φ = 2629152.

The previous prime is 3964423. The next prime is 3964463. The reversal of 3964437 is 7344693.

3964437 is a `hidden beast` number, since 3 + 9 + 644 + 3 + 7 = 666.

It is not a de Polignac number, because 3964437 - 2⁴ = 3964421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3964237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9489 + ... + 9897.

It is an arithmetic number, because the mean of its divisors is an integer number (369000).

Almost surely, 2^3964437 is an apocalyptic number.

It is an amenable number.

3964437 is a deficient number, since it is larger than the sum of its proper divisors (1939563).

3964437 is a wasteful number, since it uses less digits than its factorization.

3964437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777 (or 771 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 3964437 is about 1991.0894003033. The cubic root of 3964437 is about 158.2682645526.

The spelling of 3964437 in words is "three million, nine hundred sixty-four thousand, four hundred thirty-seven".