354391111 has 8 divisors (see below), whose sum is σ = 362793600. Its totient is φ = 346068600.

The previous prime is 354391067. The next prime is 354391127. The reversal of 354391111 is 111193453.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 354391111 - 2⁹ = 354390599 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 354391111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354391171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10981 + ... + 28798.

It is an arithmetic number, because the mean of its divisors is an integer number (45349200).

Almost surely, 2^354391111 is an apocalyptic number.

354391111 is a deficient number, since it is larger than the sum of its proper divisors (8402489).

354391111 is a wasteful number, since it uses less digits than its factorization.

354391111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39989.

The product of its digits is 1620, while the sum is 28.

The square root of 354391111 is about 18825.2785105560. The cubic root of 354391111 is about 707.6648209439.

The spelling of 354391111 in words is "three hundred fifty-four million, three hundred ninety-one thousand, one hundred eleven".