3957394 has 8 divisors (see below), whose sum is σ = 6784128. Its totient is φ = 1696020.

The previous prime is 3957389. The next prime is 3957397. The reversal of 3957394 is 4937593.

3957394 = T₂₆₄ + T₂₆₅ + ... + T₃₄₇.

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

It is not an unprimeable number, because it can be changed into a prime (3957397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141322 + ... + 141349.

It is an arithmetic number, because the mean of its divisors is an integer number (848016).

Almost surely, 2^3957394 is an apocalyptic number.

3957394 is a deficient number, since it is larger than the sum of its proper divisors (2826734).

3957394 is a wasteful number, since it uses less digits than its factorization.

3957394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282680.

The product of its digits is 102060, while the sum is 40.

The square root of 3957394 is about 1989.3199843162. The cubic root of 3957394 is about 158.1744854414.

The spelling of 3957394 in words is "three million, nine hundred fifty-seven thousand, three hundred ninety-four".