354343919 has 4 divisors (see below), whose sum is σ = 365774400. Its totient is φ = 342913440.

The previous prime is 354343909. The next prime is 354343921. The reversal of 354343919 is 919343453.

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-354343919 is a prime.

It is a super-2 number, since 2×354343919² = 251119225864557122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354343909) 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, 5715194 + ... + 5715255.

It is an arithmetic number, because the mean of its divisors is an integer number (91443600).

Almost surely, 2^354343919 is an apocalyptic number.

354343919 is a deficient number, since it is larger than the sum of its proper divisors (11430481).

354343919 is a wasteful number, since it uses less digits than its factorization.

354343919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11430480.

The product of its digits is 174960, while the sum is 41.

The square root of 354343919 is about 18824.0250477946. The cubic root of 354343919 is about 707.6334078152.

The spelling of 354343919 in words is "three hundred fifty-four million, three hundred forty-three thousand, nine hundred nineteen".