349453 has 4 divisors (see below), whose sum is σ = 376348. Its totient is φ = 322560.

The previous prime is 349423. The next prime is 349471. The reversal of 349453 is 354943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354943 = 17 ⋅20879.

It can be written as a sum of positive squares in 2 ways, for example, as 157609 + 191844 = 397^2 + 438^2 .

It is a cyclic number.

It is not a de Polignac number, because 349453 - 2¹⁷ = 218381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349403) 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, 13428 + ... + 13453.

It is an arithmetic number, because the mean of its divisors is an integer number (94087).

2³⁴⁹⁴⁵³ is an apocalyptic number.

It is an amenable number.

349453 is a deficient number, since it is larger than the sum of its proper divisors (26895).

349453 is a wasteful number, since it uses less digits than its factorization.

349453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26894.

The product of its digits is 6480, while the sum is 28.

The square root of 349453 is about 591.1454981644. The cubic root of 349453 is about 70.4362551077.

The spelling of 349453 in words is "three hundred forty-nine thousand, four hundred fifty-three".