3996955 has 16 divisors (see below), whose sum is σ = 5171040. Its totient is φ = 2954752.

The previous prime is 3996931. The next prime is 3996959. The reversal of 3996955 is 5596993.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3996955 - 2⁷ = 3996827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3996959) 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, 4617 + ... + 5413.

It is an arithmetic number, because the mean of its divisors is an integer number (323190).

Almost surely, 2^3996955 is an apocalyptic number.

3996955 is a deficient number, since it is larger than the sum of its proper divisors (1174085).

3996955 is a wasteful number, since it uses less digits than its factorization.

3996955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878.

The product of its digits is 328050, while the sum is 46.

The square root of 3996955 is about 1999.2386050694. The cubic root of 3996955 is about 158.6998146697.

The spelling of 3996955 in words is "three million, nine hundred ninety-six thousand, nine hundred fifty-five".