3944955 has 16 divisors (see below), whose sum is σ = 7213824. Its totient is φ = 1803360.

The previous prime is 3944953. The next prime is 3944987. The reversal of 3944955 is 5594493.

3944955 is nontrivially palindromic in base 14.

It is not a de Polignac number, because 3944955 - 2¹ = 3944953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3944953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18681 + ... + 18890.

It is an arithmetic number, because the mean of its divisors is an integer number (450864).

Almost surely, 2^3944955 is an apocalyptic number.

3944955 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3944955 is a deficient number, since it is larger than the sum of its proper divisors (3268869).

3944955 is a wasteful number, since it uses less digits than its factorization.

3944955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37586.

The product of its digits is 97200, while the sum is 39.

The square root of 3944955 is about 1986.1910784212. The cubic root of 3944955 is about 158.0085852302.

The spelling of 3944955 in words is "three million, nine hundred forty-four thousand, nine hundred fifty-five".