354561818 has 16 divisors (see below), whose sum is σ = 591230976. Its totient is φ = 158364720.

The previous prime is 354561817. The next prime is 354561821. The reversal of 354561818 is 818165453.

It is not an unprimeable number, because it can be changed into a prime (354561817) 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 7 ways as a sum of consecutive naturals, for example, 219146 + ... + 220757.

It is an arithmetic number, because the mean of its divisors is an integer number (36951936).

Almost surely, 2^354561818 is an apocalyptic number.

354561818 is a deficient number, since it is larger than the sum of its proper divisors (236669158).

354561818 is a wasteful number, since it uses less digits than its factorization.

354561818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439949.

The product of its digits is 115200, while the sum is 41.

The square root of 354561818 is about 18829.8119480785. The cubic root of 354561818 is about 707.7784279574.

The spelling of 354561818 in words is "three hundred fifty-four million, five hundred sixty-one thousand, eight hundred eighteen".