3965955 has 32 divisors (see below), whose sum is σ = 7340544. Its totient is φ = 1790976.

The previous prime is 3965939. The next prime is 3965963. The reversal of 3965955 is 5595693.

It is not a de Polignac number, because 3965955 - 2⁴ = 3965939 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11059 + ... + 11411.

It is an arithmetic number, because the mean of its divisors is an integer number (229392).

Almost surely, 2^3965955 is an apocalyptic number.

3965955 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3965955 is a deficient number, since it is larger than the sum of its proper divisors (3374589).

3965955 is a wasteful number, since it uses less digits than its factorization.

3965955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475.

The product of its digits is 182250, while the sum is 42.

The square root of 3965955 is about 1991.4705621726. The cubic root of 3965955 is about 158.2884625082.

The spelling of 3965955 in words is "three million, nine hundred sixty-five thousand, nine hundred fifty-five".