354042321 has 8 divisors (see below), whose sum is σ = 472182624. Its totient is φ = 235965120.

The previous prime is 354042317. The next prime is 354042341. The reversal of 354042321 is 123240453.

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

It is not a de Polignac number, because 354042321 - 2² = 354042317 is a prime.

It is a super-3 number, since 3×354042321³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 354042291 and 354042300.

It is not an unprimeable number, because it can be changed into a prime (354042341) 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, 595 + ... + 26616.

It is an arithmetic number, because the mean of its divisors is an integer number (59022828).

Almost surely, 2^354042321 is an apocalyptic number.

It is an amenable number.

354042321 is a deficient number, since it is larger than the sum of its proper divisors (118140303).

354042321 is a wasteful number, since it uses less digits than its factorization.

354042321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31551.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 354042321 is about 18816.0123565010. The cubic root of 354042321 is about 707.4325846522.

Adding to 354042321 its reverse (123240453), we get a palindrome (477282774).

The spelling of 354042321 in words is "three hundred fifty-four million, forty-two thousand, three hundred twenty-one".