354021 has 8 divisors (see below), whose sum is σ = 475200. Its totient is φ = 234432.

The previous prime is 354017. The next prime is 354023. The reversal of 354021 is 120453.

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

It is not a de Polignac number, because 354021 - 2² = 354017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354023) 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, 301 + ... + 893.

It is an arithmetic number, because the mean of its divisors is an integer number (59400).

2³⁵⁴⁰²¹ is an apocalyptic number.

It is an amenable number.

354021 is a deficient number, since it is larger than the sum of its proper divisors (121179).

354021 is a wasteful number, since it uses less digits than its factorization.

354021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 354021 is about 594.9966386460. The cubic root of 354021 is about 70.7418383456.

Adding to 354021 its reverse (120453), we get a palindrome (474474).

The spelling of 354021 in words is "three hundred fifty-four thousand, twenty-one".