342440091 has 24 divisors (see below), whose sum is σ = 584794080. Its totient is φ = 188931456.

The previous prime is 342440047. The next prime is 342440101. The reversal of 342440091 is 190044243.

It is not a de Polignac number, because 342440091 - 2¹⁹ = 341915803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (342440011) 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, 91890 + ... + 95543.

It is an arithmetic number, because the mean of its divisors is an integer number (24366420).

Almost surely, 2^342440091 is an apocalyptic number.

342440091 is a deficient number, since it is larger than the sum of its proper divisors (242353989).

342440091 is a wasteful number, since it uses less digits than its factorization.

342440091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187475 (or 187472 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 342440091 is about 18505.1368814175. The cubic root of 342440091 is about 699.6189020820.

The spelling of 342440091 in words is "three hundred forty-two million, four hundred forty thousand, ninety-one".