354921343 has 12 divisors (see below), whose sum is σ = 420100720. Its totient is φ = 293723136.

The previous prime is 354921341. The next prime is 354921407. The reversal of 354921343 is 343129453.

It is not a de Polignac number, because 354921343 - 2¹ = 354921341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 354921299 and 354921308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354921341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24258 + ... + 36031.

Almost surely, 2^354921343 is an apocalyptic number.

354921343 is a deficient number, since it is larger than the sum of its proper divisors (65179377).

354921343 is an equidigital number, since it uses as much as digits as its factorization.

354921343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60354 (or 60325 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The square root of 354921343 is about 18839.3562257313. The cubic root of 354921343 is about 708.0175757976.

The spelling of 354921343 in words is "three hundred fifty-four million, nine hundred twenty-one thousand, three hundred forty-three".