342621869 has 16 divisors (see below), whose sum is σ = 367718400. Its totient is φ = 318476400.

The previous prime is 342621847. The next prime is 342621911. The reversal of 342621869 is 968126243.

It is not a de Polignac number, because 342621869 - 2⁸ = 342621613 is a prime.

It is a super-3 number, since 3×342621869³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342621469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162182 + ... + 164280.

It is an arithmetic number, because the mean of its divisors is an integer number (22982400).

Almost surely, 2^342621869 is an apocalyptic number.

It is an amenable number.

342621869 is a deficient number, since it is larger than the sum of its proper divisors (25096531).

342621869 is a wasteful number, since it uses less digits than its factorization.

342621869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320.

The product of its digits is 124416, while the sum is 41.

The square root of 342621869 is about 18510.0477849194. The cubic root of 342621869 is about 699.7426734431.

The spelling of 342621869 in words is "three hundred forty-two million, six hundred twenty-one thousand, eight hundred sixty-nine".