354354981 has 8 divisors (see below), whose sum is σ = 472707840. Its totient is φ = 236119392.

The previous prime is 354354961. The next prime is 354355007. The reversal of 354354981 is 189453453.

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

It is not a de Polignac number, because 354354981 - 2¹⁰ = 354353957 is a prime.

It is a super-2 number, since 2×354354981² = 251134905119020722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354354901) 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, 22005 + ... + 34538.

It is an arithmetic number, because the mean of its divisors is an integer number (59088480).

Almost surely, 2^354354981 is an apocalyptic number.

It is an amenable number.

354354981 is a deficient number, since it is larger than the sum of its proper divisors (118352859).

354354981 is a wasteful number, since it uses less digits than its factorization.

354354981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58635.

The product of its digits is 259200, while the sum is 42.

The square root of 354354981 is about 18824.3188721398. The cubic root of 354354981 is about 707.6407714328.

The spelling of 354354981 in words is "three hundred fifty-four million, three hundred fifty-four thousand, nine hundred eighty-one".