354421291 has 8 divisors (see below), whose sum is σ = 405591264. Its totient is φ = 303385920.

The previous prime is 354421271. The next prime is 354421303. The reversal of 354421291 is 192124453.

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 354421291 - 2⁹ = 354420779 is a prime.

It is a super-2 number, since 2×354421291² = 251228903028213362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354421241) 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, 27940 + ... + 38593.

It is an arithmetic number, because the mean of its divisors is an integer number (50698908).

Almost surely, 2^354421291 is an apocalyptic number.

354421291 is a deficient number, since it is larger than the sum of its proper divisors (51169973).

354421291 is an equidigital number, since it uses as much as digits as its factorization.

354421291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67301.

The product of its digits is 8640, while the sum is 31.

The square root of 354421291 is about 18826.0800752573. The cubic root of 354421291 is about 707.6849086543.

The spelling of 354421291 in words is "three hundred fifty-four million, four hundred twenty-one thousand, two hundred ninety-one".