354457 has 4 divisors (see below), whose sum is σ = 357376. Its totient is φ = 351540.

The previous prime is 354451. The next prime is 354461. The reversal of 354457 is 754453.

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.

It is a cyclic number.

It is not a de Polignac number, because 354457 - 2⁷ = 354329 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 11 and base 16.

It is not an unprimeable number, because it can be changed into a prime (354451) 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, 1269 + ... + 1522.

It is an arithmetic number, because the mean of its divisors is an integer number (89344).

2³⁵⁴⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

354457 is a deficient number, since it is larger than the sum of its proper divisors (2919).

354457 is a wasteful number, since it uses less digits than its factorization.

354457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918.

The product of its digits is 8400, while the sum is 28.

The square root of 354457 is about 595.3629145320. The cubic root of 354457 is about 70.7708674977.

The spelling of 354457 in words is "three hundred fifty-four thousand, four hundred fifty-seven".