2301998 has 16 divisors (see below), whose sum is σ = 3608064. Its totient is φ = 1100280.

The previous prime is 2301997. The next prime is 2302009. The reversal of 2301998 is 8991032.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2301997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6461 + ... + 6807.

It is an arithmetic number, because the mean of its divisors is an integer number (225504).

2^2301998 is an apocalyptic number.

2301998 is a deficient number, since it is larger than the sum of its proper divisors (1306066).

2301998 is a wasteful number, since it uses less digits than its factorization.

2301998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2301998 is about 1517.2336669083. The cubic root of 2301998 is about 132.0388239029.

The spelling of 2301998 in words is "two million, three hundred one thousand, nine hundred ninety-eight".