2423998 has 4 divisors (see below), whose sum is σ = 3636000. Its totient is φ = 1211998.

The previous prime is 2423969. The next prime is 2423999. The reversal of 2423998 is 8993242.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605998 + ... + 606001.

It is an arithmetic number, because the mean of its divisors is an integer number (909000).

2^2423998 is an apocalyptic number.

2423998 is a deficient number, since it is larger than the sum of its proper divisors (1212002).

2423998 is a wasteful number, since it uses less digits than its factorization.

2423998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212001.

The product of its digits is 31104, while the sum is 37.

The square root of 2423998 is about 1556.9193941884. The cubic root of 2423998 is about 134.3313622861.

The spelling of 2423998 in words is "two million, four hundred twenty-three thousand, nine hundred ninety-eight".