3969311 has 8 divisors (see below), whose sum is σ = 4062240. Its totient is φ = 3877632.

The previous prime is 3969307. The next prime is 3969349. The reversal of 3969311 is 1139693.

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

It is a cyclic number.

It is not a de Polignac number, because 3969311 - 2² = 3969307 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3969391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8951 + ... + 9383.

It is an arithmetic number, because the mean of its divisors is an integer number (507780).

Almost surely, 2^3969311 is an apocalyptic number.

3969311 is a deficient number, since it is larger than the sum of its proper divisors (92929).

3969311 is a wasteful number, since it uses less digits than its factorization.

3969311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625.

The product of its digits is 4374, while the sum is 32.

The square root of 3969311 is about 1992.3129774210. The cubic root of 3969311 is about 158.3330979375. Note that the first 3 decimals are identical.

The spelling of 3969311 in words is "three million, nine hundred sixty-nine thousand, three hundred eleven".