354046809 has 4 divisors (see below), whose sum is σ = 472062416. Its totient is φ = 236031204.

The previous prime is 354046789. The next prime is 354046813. The reversal of 354046809 is 908640453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 354046809 - 2⁷ = 354046681 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (354046859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59007799 + ... + 59007804.

It is an arithmetic number, because the mean of its divisors is an integer number (118015604).

Almost surely, 2^354046809 is an apocalyptic number.

It is an amenable number.

354046809 is a deficient number, since it is larger than the sum of its proper divisors (118015607).

354046809 is a wasteful number, since it uses less digits than its factorization.

354046809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118015606.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 354046809 is about 18816.1316162489. The cubic root of 354046809 is about 707.4355738843.

The spelling of 354046809 in words is "three hundred fifty-four million, forty-six thousand, eight hundred nine".