2291336 has 16 divisors (see below), whose sum is σ = 4412940. Its totient is φ = 1114560.

The previous prime is 2291327. The next prime is 2291347. The reversal of 2291336 is 6331922.

It can be written as a sum of positive squares in 2 ways, for example, as 2280100 + 11236 = 1510^2 + 106^2 .

It is a d-powerful number, because it can be written as 2⁹ + 2²¹ + 9⁴ + 1 + 3⁷ + 3¹¹ + 6⁵ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3575 + ... + 4166.

2^2291336 is an apocalyptic number.

It is an amenable number.

2291336 is a deficient number, since it is larger than the sum of its proper divisors (2121604).

2291336 is a wasteful number, since it uses less digits than its factorization.

2291336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7784 (or 7780 counting only the distinct ones).

The product of its digits is 1944, while the sum is 26.

The square root of 2291336 is about 1513.7159575033. The cubic root of 2291336 is about 131.8346567669.

The spelling of 2291336 in words is "two million, two hundred ninety-one thousand, three hundred thirty-six".