3457439 has 4 divisors (see below), whose sum is σ = 3463224. Its totient is φ = 3451656.

The previous prime is 3457427. The next prime is 3457453. The reversal of 3457439 is 9347543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9347543 = 83 ⋅112621.

It is a cyclic number.

It is not a de Polignac number, because 3457439 - 2¹² = 3453343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3457399 and 3457408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3457339) 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, 1877 + ... + 3230.

It is an arithmetic number, because the mean of its divisors is an integer number (865806).

Almost surely, 2^3457439 is an apocalyptic number.

3457439 is a deficient number, since it is larger than the sum of its proper divisors (5785).

3457439 is an equidigital number, since it uses as much as digits as its factorization.

3457439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5784.

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

The square root of 3457439 is about 1859.4189952778. The cubic root of 3457439 is about 151.2115071774.

The spelling of 3457439 in words is "three million, four hundred fifty-seven thousand, four hundred thirty-nine".