342989549 has 24 divisors (see below), whose sum is σ = 411626304. Its totient is φ = 279892800.

The previous prime is 342989527. The next prime is 342989557. The reversal of 342989549 is 945989243.

It is not a de Polignac number, because 342989549 - 2¹⁶ = 342924013 is a prime.

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 342989549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342989749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 450329 + ... + 451089.

It is an arithmetic number, because the mean of its divisors is an integer number (17151096).

Almost surely, 2^342989549 is an apocalyptic number.

It is an amenable number.

342989549 is a deficient number, since it is larger than the sum of its proper divisors (68636755).

342989549 is an equidigital number, since it uses as much as digits as its factorization.

342989549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 866 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 53.

The square root of 342989549 is about 18519.9770248238. The cubic root of 342989549 is about 699.9928904040.

The spelling of 342989549 in words is "three hundred forty-two million, nine hundred eighty-nine thousand, five hundred forty-nine".