354249381 has 8 divisors (see below), whose sum is σ = 492868800. Its totient is φ = 225898112.

The previous prime is 354249361. The next prime is 354249391. The reversal of 354249381 is 183942453.

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 354249381 - 2¹⁵ = 354216613 is a prime.

It is a super-3 number, since 3×354249381³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354249341) 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, 2566956 + ... + 2567093.

It is an arithmetic number, because the mean of its divisors is an integer number (61608600).

Almost surely, 2^354249381 is an apocalyptic number.

It is an amenable number.

354249381 is a deficient number, since it is larger than the sum of its proper divisors (138619419).

354249381 is a wasteful number, since it uses less digits than its factorization.

354249381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5134075.

The product of its digits is 103680, while the sum is 39.

The square root of 354249381 is about 18821.5137807776. The cubic root of 354249381 is about 707.5704706574.

The spelling of 354249381 in words is "three hundred fifty-four million, two hundred forty-nine thousand, three hundred eighty-one".