354699369 has 12 divisors (see below), whose sum is σ = 512577156. Its totient is φ = 236358432.

The previous prime is 354699343. The next prime is 354699379. The reversal of 354699369 is 963996453.

354699369 is a `hidden beast` number, since 3 + 546 + 9 + 93 + 6 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 236759769 + 117939600 = 15387^2 + 10860^2 .

It is not a de Polignac number, because 354699369 - 2⁹ = 354698857 is a prime.

It is a super-2 number, since 2×354699369² = 251623284737996322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (354699379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15307 + ... + 30719.

It is an arithmetic number, because the mean of its divisors is an integer number (42714763).

Almost surely, 2^354699369 is an apocalyptic number.

It is an amenable number.

354699369 is a deficient number, since it is larger than the sum of its proper divisors (157877787).

354699369 is a wasteful number, since it uses less digits than its factorization.

354699369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17976 (or 17973 counting only the distinct ones).

The product of its digits is 4723920, while the sum is 54.

The square root of 354699369 is about 18833.4640732925. The cubic root of 354699369 is about 707.8699428345.

The spelling of 354699369 in words is "three hundred fifty-four million, six hundred ninety-nine thousand, three hundred sixty-nine".