354381 has 4 divisors (see below), whose sum is σ = 472512. Its totient is φ = 236252.

The previous prime is 354377. The next prime is 354383. The reversal of 354381 is 183453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 183453 = 3 ⋅61151.

It is a cyclic number.

It is not a de Polignac number, because 354381 - 2² = 354377 is a prime.

It is a super-2 number, since 2×354381² = 251171786322, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59061 + ... + 59066.

It is an arithmetic number, because the mean of its divisors is an integer number (118128).

2³⁵⁴³⁸¹ is an apocalyptic number.

354381 is the 377-th centered pentagonal number.

It is an amenable number.

354381 is a deficient number, since it is larger than the sum of its proper divisors (118131).

354381 is a wasteful number, since it uses less digits than its factorization.

354381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118130.

The product of its digits is 1440, while the sum is 24.

The square root of 354381 is about 595.2990844945. The cubic root of 354381 is about 70.7658090840.

The spelling of 354381 in words is "three hundred fifty-four thousand, three hundred eighty-one".