3964634 has 8 divisors (see below), whose sum is σ = 6044628. Its totient is φ = 1949760.

The previous prime is 3964633. The next prime is 3964651. The reversal of 3964634 is 4364693.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3900625 + 64009 = 1975^2 + 253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3964594 and 3964603.

It is not an unprimeable number, because it can be changed into a prime (3964633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16127 + ... + 16370.

Almost surely, 2^3964634 is an apocalyptic number.

3964634 is a deficient number, since it is larger than the sum of its proper divisors (2079994).

3964634 is a wasteful number, since it uses less digits than its factorization.

3964634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32560.

The product of its digits is 46656, while the sum is 35.

The square root of 3964634 is about 1991.1388700942. The cubic root of 3964634 is about 158.2708860540.

The spelling of 3964634 in words is "three million, nine hundred sixty-four thousand, six hundred thirty-four".