3949294 has 4 divisors (see below), whose sum is σ = 5923944. Its totient is φ = 1974646.

The previous prime is 3949291. The next prime is 3949301. The reversal of 3949294 is 4929493.

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

It is a super-3 number, since 3×3949294³ (a number of 21 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987322 + ... + 987325.

It is an arithmetic number, because the mean of its divisors is an integer number (1480986).

Almost surely, 2^3949294 is an apocalyptic number.

3949294 is a deficient number, since it is larger than the sum of its proper divisors (1974650).

3949294 is a wasteful number, since it uses less digits than its factorization.

3949294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974649.

The product of its digits is 69984, while the sum is 40.

The square root of 3949294 is about 1987.2830699224. The cubic root of 3949294 is about 158.0664944708.

The spelling of 3949294 in words is "three million, nine hundred forty-nine thousand, two hundred ninety-four".