2391298 has 24 divisors (see below), whose sum is σ = 4495932. Its totient is φ = 945504.

The previous prime is 2391293. The next prime is 2391331. The reversal of 2391298 is 8921932.

It can be written as a sum of positive squares in 2 ways, for example, as 2350089 + 41209 = 1533^2 + 203^2 .

It is a super-2 number, since 2×2391298² = 11436612249608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2391293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336 + ... + 2212.

2^2391298 is an apocalyptic number.

2391298 is a deficient number, since it is larger than the sum of its proper divisors (2104634).

2391298 is a wasteful number, since it uses less digits than its factorization.

2391298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906 (or 1899 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 2391298 is about 1546.3822295927. The cubic root of 2391298 is about 133.7245772276.

The spelling of 2391298 in words is "two million, three hundred ninety-one thousand, two hundred ninety-eight".