354697321 has 16 divisors (see below), whose sum is σ = 394632000. Its totient is φ = 316076800.

The previous prime is 354697313. The next prime is 354697337. The reversal of 354697321 is 123796453.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 354697321 - 2³ = 354697313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354695321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337605 + ... + 338653.

It is an arithmetic number, because the mean of its divisors is an integer number (24664500).

Almost surely, 2^354697321 is an apocalyptic number.

It is an amenable number.

354697321 is a deficient number, since it is larger than the sum of its proper divisors (39934679).

354697321 is a wasteful number, since it uses less digits than its factorization.

354697321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640.

The product of its digits is 136080, while the sum is 40.

The square root of 354697321 is about 18833.4097019101. The cubic root of 354697321 is about 707.8685804409.

The spelling of 354697321 in words is "three hundred fifty-four million, six hundred ninety-seven thousand, three hundred twenty-one".