2291286 has 32 divisors (see below), whose sum is σ = 4896000. Its totient is φ = 712800.

The previous prime is 2291281. The next prime is 2291287. The reversal of 2291286 is 6821922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11415 + ... + 11613.

It is an arithmetic number, because the mean of its divisors is an integer number (153000).

2^2291286 is an apocalyptic number.

2291286 is an abundant number, since it is smaller than the sum of its proper divisors (2604714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2291286 is a wasteful number, since it uses less digits than its factorization.

2291286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324.

The product of its digits is 3456, while the sum is 30.

The square root of 2291286 is about 1513.6994417651. The cubic root of 2291286 is about 131.8336978241.

The spelling of 2291286 in words is "two million, two hundred ninety-one thousand, two hundred eighty-six".