2342091 has 4 divisors (see below), whose sum is σ = 3122792. Its totient is φ = 1561392.

The previous prime is 2342071. The next prime is 2342099. The reversal of 2342091 is 1902432.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2342091 - 2⁶ = 2342027 is a prime.

It is a D-number.

It is a Duffinian number.

2342091 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2342099) 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 3 ways as a sum of consecutive naturals, for example, 390346 + ... + 390351.

It is an arithmetic number, because the mean of its divisors is an integer number (780698).

2^2342091 is an apocalyptic number.

2342091 is a deficient number, since it is larger than the sum of its proper divisors (780701).

2342091 is an equidigital number, since it uses as much as digits as its factorization.

2342091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780700.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2342091 is about 1530.3891661927. The cubic root of 2342091 is about 132.8009724066.

The spelling of 2342091 in words is "two million, three hundred forty-two thousand, ninety-one".