3973231 has 8 divisors (see below), whose sum is σ = 4074624. Its totient is φ = 3873240.

The previous prime is 3973219. The next prime is 3973241. The reversal of 3973231 is 1323793.

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 3973231 - 2⁷ = 3973103 is a prime.

It is a super-2 number, since 2×3973231² = 31573129158722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3973231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3973241) 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, 7336 + ... + 7858.

It is an arithmetic number, because the mean of its divisors is an integer number (509328).

Almost surely, 2^3973231 is an apocalyptic number.

3973231 is a deficient number, since it is larger than the sum of its proper divisors (101393).

3973231 is a wasteful number, since it uses less digits than its factorization.

3973231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701.

The product of its digits is 3402, while the sum is 28.

The square root of 3973231 is about 1993.2965158250. The cubic root of 3973231 is about 158.3852028273.

The spelling of 3973231 in words is "three million, nine hundred seventy-three thousand, two hundred thirty-one".