3957346 has 4 divisors (see below), whose sum is σ = 5936022. Its totient is φ = 1978672.

The previous prime is 3957341. The next prime is 3957383. The reversal of 3957346 is 6437593.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3956121 + 1225 = 1989^2 + 35^2 .

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3957341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 989335 + ... + 989338.

Almost surely, 2^3957346 is an apocalyptic number.

3957346 is a deficient number, since it is larger than the sum of its proper divisors (1978676).

3957346 is a wasteful number, since it uses less digits than its factorization.

3957346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978675.

The product of its digits is 68040, while the sum is 37.

The square root of 3957346 is about 1989.3079198555. The cubic root of 3957346 is about 158.1738459291.

The spelling of 3957346 in words is "three million, nine hundred fifty-seven thousand, three hundred forty-six".