354344491 has 4 divisors (see below), whose sum is σ = 356143392. Its totient is φ = 352545592.

The previous prime is 354344489. The next prime is 354344587. The reversal of 354344491 is 194443453.

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

It is a cyclic number.

It is not a de Polignac number, because 354344491 - 2¹ = 354344489 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 354344491.

It is not an unprimeable number, because it can be changed into a prime (354344401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899155 + ... + 899548.

It is an arithmetic number, because the mean of its divisors is an integer number (89035848).

Almost surely, 2^354344491 is an apocalyptic number.

354344491 is a deficient number, since it is larger than the sum of its proper divisors (1798901).

354344491 is a wasteful number, since it uses less digits than its factorization.

354344491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798900.

The product of its digits is 103680, while the sum is 37.

The square root of 354344491 is about 18824.0402411385. The cubic root of 354344491 is about 707.6337885810.

The spelling of 354344491 in words is "three hundred fifty-four million, three hundred forty-four thousand, four hundred ninety-one".