2291098 has 8 divisors (see below), whose sum is σ = 3456180. Its totient is φ = 1139040.

The previous prime is 2291063. The next prime is 2291119. The reversal of 2291098 is 8901922.

It can be written as a sum of positive squares in 2 ways, for example, as 2199289 + 91809 = 1483^2 + 303^2 .

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

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, 2803 + ... + 3526.

2^2291098 is an apocalyptic number.

2291098 is a deficient number, since it is larger than the sum of its proper divisors (1165082).

2291098 is a wasteful number, since it uses less digits than its factorization.

2291098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6512.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 2291098 is about 1513.6373409770. The cubic root of 2291098 is about 131.8300920741.

The spelling of 2291098 in words is "two million, two hundred ninety-one thousand, ninety-eight".