354688899 has 4 divisors (see below), whose sum is σ = 472918536. Its totient is φ = 236459264.

The previous prime is 354688889. The next prime is 354688913. The reversal of 354688899 is 998886453.

It is a happy number.

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 354688899 - 2⁸ = 354688643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (354688889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59114814 + ... + 59114819.

It is an arithmetic number, because the mean of its divisors is an integer number (118229634).

Almost surely, 2^354688899 is an apocalyptic number.

354688899 is a deficient number, since it is larger than the sum of its proper divisors (118229637).

354688899 is a wasteful number, since it uses less digits than its factorization.

354688899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118229636.

The product of its digits is 14929920, while the sum is 60.

The square root of 354688899 is about 18833.1861085691. The cubic root of 354688899 is about 707.8629778083.

The spelling of 354688899 in words is "three hundred fifty-four million, six hundred eighty-eight thousand, eight hundred ninety-nine".