354213397 has 8 divisors (see below), whose sum is σ = 361405440. Its totient is φ = 347066160.

The previous prime is 354213383. The next prime is 354213413. The reversal of 354213397 is 793312453.

It is a happy number.

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 354213397 - 2⁷ = 354213269 is a prime.

It is a super-3 number, since 3×354213397³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354213697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5004 + ... + 27082.

It is an arithmetic number, because the mean of its divisors is an integer number (45175680).

Almost surely, 2^354213397 is an apocalyptic number.

It is an amenable number.

354213397 is a deficient number, since it is larger than the sum of its proper divisors (7192043).

354213397 is a wasteful number, since it uses less digits than its factorization.

354213397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22403.

The product of its digits is 68040, while the sum is 37.

The square root of 354213397 is about 18820.5578291399. The cubic root of 354213397 is about 707.5465119442.

The spelling of 354213397 in words is "three hundred fifty-four million, two hundred thirteen thousand, three hundred ninety-seven".