3958312 has 8 divisors (see below), whose sum is σ = 7421850. Its totient is φ = 1979152.

The previous prime is 3958261. The next prime is 3958313. The reversal of 3958312 is 2138593.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3786916 + 171396 = 1946^2 + 414^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3958313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247387 + ... + 247402.

Almost surely, 2^3958312 is an apocalyptic number.

It is an amenable number.

3958312 is a deficient number, since it is larger than the sum of its proper divisors (3463538).

3958312 is a wasteful number, since it uses less digits than its factorization.

3958312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494795 (or 494791 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 3958312 is about 1989.5507030483. The cubic root of 3958312 is about 158.1867151184.

The spelling of 3958312 in words is "three million, nine hundred fifty-eight thousand, three hundred twelve".