3934393 has 4 divisors (see below), whose sum is σ = 3938560. Its totient is φ = 3930228.

The previous prime is 3934373. The next prime is 3934421.

3934393 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3934393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3934363) 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, 88 + ... + 2806.

It is an arithmetic number, because the mean of its divisors is an integer number (984640).

Almost surely, 2^3934393 is an apocalyptic number.

It is an amenable number.

3934393 is a deficient number, since it is larger than the sum of its proper divisors (4167).

3934393 is a wasteful number, since it uses less digits than its factorization.

3934393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166.

The product of its digits is 26244, while the sum is 34.

The square root of 3934393 is about 1983.5304383851. The cubic root of 3934393 is about 157.8674447702.

The spelling of 3934393 in words is "three million, nine hundred thirty-four thousand, three hundred ninety-three".