342944443 has 4 divisors (see below), whose sum is σ = 343900080. Its totient is φ = 341988808.

The previous prime is 342944431. The next prime is 342944447. The reversal of 342944443 is 344449243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342944443 is a prime.

It is a super-2 number, since 2×342944443² = 235221781969160498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342944447) 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, 477280 + ... + 477997.

It is an arithmetic number, because the mean of its divisors is an integer number (85975020).

Almost surely, 2^342944443 is an apocalyptic number.

342944443 is a deficient number, since it is larger than the sum of its proper divisors (955637).

342944443 is an equidigital number, since it uses as much as digits as its factorization.

342944443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955636.

The product of its digits is 165888, while the sum is 37.

The square root of 342944443 is about 18518.7592186950. The cubic root of 342944443 is about 699.9622040817.

The spelling of 342944443 in words is "three hundred forty-two million, nine hundred forty-four thousand, four hundred forty-three".