3231399 has 8 divisors (see below), whose sum is σ = 4331632. Its totient is φ = 2142720.

The previous prime is 3231379. The next prime is 3231401. The reversal of 3231399 is 9931323.

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

It is not a de Polignac number, because 3231399 - 2⁵ = 3231367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231329) 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, 2212 + ... + 3369.

It is an arithmetic number, because the mean of its divisors is an integer number (541454).

Almost surely, 2^3231399 is an apocalyptic number.

3231399 is a deficient number, since it is larger than the sum of its proper divisors (1100233).

3231399 is a wasteful number, since it uses less digits than its factorization.

3231399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777.

The product of its digits is 4374, while the sum is 30.

The square root of 3231399 is about 1797.6092456371. The cubic root of 3231399 is about 147.8416708321.

The spelling of 3231399 in words is "three million, two hundred thirty-one thousand, three hundred ninety-nine".