3942394 has 8 divisors (see below), whose sum is σ = 6104448. Its totient is φ = 1907580.

The previous prime is 3942383. The next prime is 3942397. The reversal of 3942394 is 4932493.

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 (3942397) 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, 31732 + ... + 31855.

It is an arithmetic number, because the mean of its divisors is an integer number (763056).

Almost surely, 2^3942394 is an apocalyptic number.

3942394 is a deficient number, since it is larger than the sum of its proper divisors (2162054).

3942394 is a wasteful number, since it uses less digits than its factorization.

3942394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63620.

The product of its digits is 23328, while the sum is 34.

The square root of 3942394 is about 1985.5462724399. The cubic root of 3942394 is about 157.9743856357.

Subtracting 3942394 from its reverse (4932493), we obtain a palindrome (990099).

The spelling of 3942394 in words is "three million, nine hundred forty-two thousand, three hundred ninety-four".