3943357 has 4 divisors (see below), whose sum is σ = 4301856. Its totient is φ = 3584860.

The previous prime is 3943319. The next prime is 3943367. The reversal of 3943357 is 7533493.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3943357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943307) 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, 179233 + ... + 179254.

It is an arithmetic number, because the mean of its divisors is an integer number (1075464).

Almost surely, 2^3943357 is an apocalyptic number.

It is an amenable number.

3943357 is a deficient number, since it is larger than the sum of its proper divisors (358499).

3943357 is a wasteful number, since it uses less digits than its factorization.

3943357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358498.

The product of its digits is 34020, while the sum is 34.

The square root of 3943357 is about 1985.7887601656. The cubic root of 3943357 is about 157.9872472749.

The spelling of 3943357 in words is "three million, nine hundred forty-three thousand, three hundred fifty-seven".