342216549 has 8 divisors (see below), whose sum is σ = 506987520. Its totient is φ = 228144348.

The previous prime is 342216529. The next prime is 342216551. The reversal of 342216549 is 945612243.

It is a happy number.

It is not a de Polignac number, because 342216549 - 2⁷ = 342216421 is a prime.

It is a super-2 number, since 2×342216549² = 234224332818938802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342216529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6337317 + ... + 6337370.

It is an arithmetic number, because the mean of its divisors is an integer number (63373440).

Almost surely, 2^342216549 is an apocalyptic number.

It is an amenable number.

342216549 is a deficient number, since it is larger than the sum of its proper divisors (164770971).

342216549 is a wasteful number, since it uses less digits than its factorization.

342216549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12674696 (or 12674690 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 342216549 is about 18499.0958968270. The cubic root of 342216549 is about 699.4666338400.

The spelling of 342216549 in words is "three hundred forty-two million, two hundred sixteen thousand, five hundred forty-nine".