342591813 has 12 divisors (see below), whose sum is σ = 495869088. Its totient is φ = 227926440.

The previous prime is 342591811. The next prime is 342591829. The reversal of 342591813 is 318195243.

It is not a de Polignac number, because 342591813 - 2¹ = 342591811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342591811) 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 11 ways as a sum of consecutive naturals, for example, 34345 + ... + 43182.

It is an arithmetic number, because the mean of its divisors is an integer number (41322424).

Almost surely, 2^342591813 is an apocalyptic number.

It is an amenable number.

342591813 is a deficient number, since it is larger than the sum of its proper divisors (153277275).

342591813 is a wasteful number, since it uses less digits than its factorization.

342591813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78024 (or 78021 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 342591813 is about 18509.2358837419. The cubic root of 342591813 is about 699.7222115455.

The spelling of 342591813 in words is "three hundred forty-two million, five hundred ninety-one thousand, eight hundred thirteen".