3964955 has 4 divisors (see below), whose sum is σ = 4757952. Its totient is φ = 3171960.

The previous prime is 3964951. The next prime is 3964963. The reversal of 3964955 is 5594693.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3964955 - 2² = 3964951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3964951) 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, 396491 + ... + 396500.

It is an arithmetic number, because the mean of its divisors is an integer number (1189488).

Almost surely, 2^3964955 is an apocalyptic number.

3964955 is a deficient number, since it is larger than the sum of its proper divisors (792997).

3964955 is an equidigital number, since it uses as much as digits as its factorization.

3964955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792996.

The product of its digits is 145800, while the sum is 41.

The square root of 3964955 is about 1991.2194755978. The cubic root of 3964955 is about 158.2751574515.

The spelling of 3964955 in words is "three million, nine hundred sixty-four thousand, nine hundred fifty-five".