2298945 has 16 divisors (see below), whose sum is σ = 4012992. Its totient is φ = 1114560.

The previous prime is 2298937. The next prime is 2298949. The reversal of 2298945 is 5498922.

It is not a de Polignac number, because 2298945 - 2³ = 2298937 is a prime.

It is a super-2 number, since 2×2298945² = 10570296226050, which contains 22 as substring.

It is a Curzon number.

2298945 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2298949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6802 + ... + 7131.

It is an arithmetic number, because the mean of its divisors is an integer number (250812).

2^2298945 is an apocalyptic number.

It is an amenable number.

2298945 is a deficient number, since it is larger than the sum of its proper divisors (1714047).

2298945 is a wasteful number, since it uses less digits than its factorization.

2298945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13952.

The product of its digits is 51840, while the sum is 39.

The square root of 2298945 is about 1516.2272257152. The cubic root of 2298945 is about 131.9804263906.

The spelling of 2298945 in words is "two million, two hundred ninety-eight thousand, nine hundred forty-five".