2298478 has 32 divisors (see below), whose sum is σ = 4326336. Its totient is φ = 891648.

The previous prime is 2298469. The next prime is 2298481. The reversal of 2298478 is 8748922.

2298478 is nontrivially palindromic in base 9.

It is a super-2 number, since 2×2298478² = 10566002232968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2298478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13200 + ... + 13372.

It is an arithmetic number, because the mean of its divisors is an integer number (135198).

2^2298478 is an apocalyptic number.

2298478 is a deficient number, since it is larger than the sum of its proper divisors (2027858).

2298478 is a wasteful number, since it uses less digits than its factorization.

2298478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268.

The product of its digits is 64512, while the sum is 40.

The square root of 2298478 is about 1516.0732172293. The cubic root of 2298478 is about 131.9714890979.

The spelling of 2298478 in words is "two million, two hundred ninety-eight thousand, four hundred seventy-eight".