2293998 has 32 divisors (see below), whose sum is σ = 5289216. Its totient is φ = 649728.

The previous prime is 2293981. The next prime is 2294009. The reversal of 2293998 is 8993922.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2 + 2¹⁷ + 9² + 3¹⁰ + 9² + 9⁴ + 8⁷ .

It is a Curzon number.

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, 7965 + ... + 8247.

It is an arithmetic number, because the mean of its divisors is an integer number (165288).

2^2293998 is an apocalyptic number.

2293998 is an abundant number, since it is smaller than the sum of its proper divisors (2995218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2293998 is a wasteful number, since it uses less digits than its factorization.

2293998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488.

The product of its digits is 69984, while the sum is 42.

The square root of 2293998 is about 1514.5949953700. The cubic root of 2293998 is about 131.8856907545.

The spelling of 2293998 in words is "two million, two hundred ninety-three thousand, nine hundred ninety-eight".