2291937 has 8 divisors (see below), whose sum is σ = 3066336. Its totient is φ = 1522752.

The previous prime is 2291929. The next prime is 2291959. The reversal of 2291937 is 7391922.

2291937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2291937 - 2³ = 2291929 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2291898 and 2291907.

It is not an unprimeable number, because it can be changed into a prime (2291917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123 + ... + 2144.

It is an arithmetic number, because the mean of its divisors is an integer number (383292).

2^2291937 is an apocalyptic number.

It is an amenable number.

2291937 is a deficient number, since it is larger than the sum of its proper divisors (774399).

2291937 is a wasteful number, since it uses less digits than its factorization.

2291937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607.

The product of its digits is 6804, while the sum is 33.

The square root of 2291937 is about 1513.9144625771. The cubic root of 2291937 is about 131.8461821684.

The spelling of 2291937 in words is "two million, two hundred ninety-one thousand, nine hundred thirty-seven".