2423988 has 36 divisors (see below), whose sum is σ = 7003360. Its totient is φ = 692496.

The previous prime is 2423969. The next prime is 2423999. The reversal of 2423988 is 8893242.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×2423988³ = 42728008491333498816, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4558 + ... + 5061.

2^2423988 is an apocalyptic number.

2423988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2423988 is an abundant number, since it is smaller than the sum of its proper divisors (4579372).

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

2423988 is a wasteful number, since it uses less digits than its factorization.

2423988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9636 (or 9631 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 2423988 is about 1556.9161827150. The cubic root of 2423988 is about 134.3311775616.

The spelling of 2423988 in words is "two million, four hundred twenty-three thousand, nine hundred eighty-eight".