354909 has 8 divisors (see below), whose sum is σ = 501120. Its totient is φ = 222656.

The previous prime is 354883. The next prime is 354911. The reversal of 354909 is 909453.

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

It is a cyclic number.

It is not a de Polignac number, because 354909 - 2⁵ = 354877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354979) 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 7 ways as a sum of consecutive naturals, for example, 3429 + ... + 3530.

It is an arithmetic number, because the mean of its divisors is an integer number (62640).

2³⁵⁴⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

354909 is a deficient number, since it is larger than the sum of its proper divisors (146211).

354909 is a wasteful number, since it uses less digits than its factorization.

354909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6979.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 354909 is about 595.7423939926. The cubic root of 354909 is about 70.8009368193.

The spelling of 354909 in words is "three hundred fifty-four thousand, nine hundred nine".