354669 has 8 divisors (see below), whose sum is σ = 540480. Its totient is φ = 202656.

The previous prime is 354667. The next prime is 354677. The reversal of 354669 is 966453.

It is a happy number.

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

It is not a de Polignac number, because 354669 - 2¹ = 354667 is a prime.

It is a super-2 number, since 2×354669² = 251580199122, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3³ + 5⁷ + 6² + 4⁹ + 6⁵ + 9⁴ .

354669 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354661) 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, 8424 + ... + 8465.

It is an arithmetic number, because the mean of its divisors is an integer number (67560).

2³⁵⁴⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

354669 is a deficient number, since it is larger than the sum of its proper divisors (185811).

354669 is a wasteful number, since it uses less digits than its factorization.

354669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16899.

The product of its digits is 19440, while the sum is 33.

The square root of 354669 is about 595.5409305833. The cubic root of 354669 is about 70.7849739889.

The spelling of 354669 in words is "three hundred fifty-four thousand, six hundred sixty-nine".