3457943 has 4 divisors (see below), whose sum is σ = 3639960. Its totient is φ = 3275928.

The previous prime is 3457921. The next prime is 3457967. The reversal of 3457943 is 3497543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3497543 = 7 ⋅499649.

It is a cyclic number.

It is not a de Polignac number, because 3457943 - 2²⁰ = 2409367 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 (3457973) 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, 90980 + ... + 91017.

It is an arithmetic number, because the mean of its divisors is an integer number (909990).

Almost surely, 2^3457943 is an apocalyptic number.

3457943 is a deficient number, since it is larger than the sum of its proper divisors (182017).

3457943 is a wasteful number, since it uses less digits than its factorization.

3457943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182016.

The product of its digits is 45360, while the sum is 35.

The square root of 3457943 is about 1859.5545165442. The cubic root of 3457943 is about 151.2188543204.

The spelling of 3457943 in words is "three million, four hundred fifty-seven thousand, nine hundred forty-three".