354163969 has 4 divisors (see below), whose sum is σ = 354221140. Its totient is φ = 354106800.

The previous prime is 354163951. The next prime is 354163991. The reversal of 354163969 is 969361453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82573569 + 271590400 = 9087^2 + 16480^2 .

It is a cyclic number.

It is not a de Polignac number, because 354163969 - 2¹¹ = 354161921 is a prime.

It is a super-2 number, since 2×354163969² = 250864233875665922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354163919) 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 3 ways as a sum of consecutive naturals, for example, 17982 + ... + 32119.

It is an arithmetic number, because the mean of its divisors is an integer number (88555285).

Almost surely, 2^354163969 is an apocalyptic number.

It is an amenable number.

354163969 is a deficient number, since it is larger than the sum of its proper divisors (57171).

354163969 is an equidigital number, since it uses as much as digits as its factorization.

354163969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57170.

The product of its digits is 524880, while the sum is 46.

The square root of 354163969 is about 18819.2446447779. The cubic root of 354163969 is about 707.5135993590.

The spelling of 354163969 in words is "three hundred fifty-four million, one hundred sixty-three thousand, nine hundred sixty-nine".