3924394 has 8 divisors (see below), whose sum is σ = 5906340. Its totient is φ = 1955616.

The previous prime is 3924353. The next prime is 3924409. The reversal of 3924394 is 4934293.

It can be written as a sum of positive squares in 2 ways, for example, as 3193369 + 731025 = 1787^2 + 855^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2509 + ... + 3760.

Almost surely, 2^3924394 is an apocalyptic number.

3924394 is a deficient number, since it is larger than the sum of its proper divisors (1981946).

3924394 is a wasteful number, since it uses less digits than its factorization.

3924394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6584.

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

The square root of 3924394 is about 1981.0083291092. The cubic root of 3924394 is about 157.7335947537.

The spelling of 3924394 in words is "three million, nine hundred twenty-four thousand, three hundred ninety-four".