354398109 has 8 divisors (see below), whose sum is σ = 508879392. Its totient is φ = 218091120.

The previous prime is 354398101. The next prime is 354398111. The reversal of 354398109 is 901893453.

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

It is not a de Polignac number, because 354398109 - 2³ = 354398101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354398101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4543527 + ... + 4543604.

It is an arithmetic number, because the mean of its divisors is an integer number (63609924).

Almost surely, 2^354398109 is an apocalyptic number.

354398109 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

354398109 is a deficient number, since it is larger than the sum of its proper divisors (154481283).

354398109 is a wasteful number, since it uses less digits than its factorization.

354398109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9087147.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 354398109 is about 18825.4643767425. The cubic root of 354398109 is about 707.6694788916.

The spelling of 354398109 in words is "three hundred fifty-four million, three hundred ninety-eight thousand, one hundred nine".