349054489 has 27 divisors (see below), whose sum is σ = 434097693. Its totient is φ = 279796608.

The previous prime is 349054487. The next prime is 349054493. The reversal of 349054489 is 984450943.

The square root of 349054489 is 18683.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2350089 + 346704400 = 1533^2 + 18620^2 .

It is not a de Polignac number, because 349054489 - 2¹ = 349054487 is a prime.

It is a super-2 number, since 2×349054489² = 243678072582102242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349054487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2223199 + ... + 2223355.

Almost surely, 2^349054489 is an apocalyptic number.

349054489 is the 18683-rd square number.

349054489 is the 9342-nd centered octagonal number.

It is an amenable number.

349054489 is a deficient number, since it is larger than the sum of its proper divisors (85043204).

349054489 is an equidigital number, since it uses as much as digits as its factorization.

349054489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The cubic root of 349054489 is about 704.0947010442.

The spelling of 349054489 in words is "three hundred forty-nine million, fifty-four thousand, four hundred eighty-nine".