3442391 has 4 divisors (see below), whose sum is σ = 3453912. Its totient is φ = 3430872.

The previous prime is 3442379. The next prime is 3442409. The reversal of 3442391 is 1932443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1932443 = 347 ⋅5569.

It is a cyclic number.

It is not a de Polignac number, because 3442391 - 2¹⁰ = 3441367 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3442391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3442301) 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, 5300 + ... + 5913.

It is an arithmetic number, because the mean of its divisors is an integer number (863478).

Almost surely, 2^3442391 is an apocalyptic number.

3442391 is a deficient number, since it is larger than the sum of its proper divisors (11521).

3442391 is a wasteful number, since it uses less digits than its factorization.

3442391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11520.

The product of its digits is 2592, while the sum is 26.

The square root of 3442391 is about 1855.3681575364. The cubic root of 3442391 is about 150.9918127807.

The spelling of 3442391 in words is "three million, four hundred forty-two thousand, three hundred ninety-one".