349332481 has 4 divisors (see below), whose sum is σ = 349636612. Its totient is φ = 349028352.

The previous prime is 349332433. The next prime is 349332493. The reversal of 349332481 is 184233943.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 125081856 + 224250625 = 11184^2 + 14975^2 .

It is a cyclic number.

It is not a de Polignac number, because 349332481 - 2²⁵ = 315778049 is a prime.

It is a super-2 number, since 2×349332481² = 244066364563230722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 349332481.

It is not an unprimeable number, because it can be changed into a prime (349330481) 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, 150336 + ... + 152641.

It is an arithmetic number, because the mean of its divisors is an integer number (87409153).

Almost surely, 2^349332481 is an apocalyptic number.

It is an amenable number.

349332481 is a deficient number, since it is larger than the sum of its proper divisors (304131).

349332481 is a wasteful number, since it uses less digits than its factorization.

349332481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304130.

The product of its digits is 62208, while the sum is 37.

The square root of 349332481 is about 18690.4382238620. The cubic root of 349332481 is about 704.2815684835.

The spelling of 349332481 in words is "three hundred forty-nine million, three hundred thirty-two thousand, four hundred eighty-one".