2499999384 has 16 divisors (see below), whose sum is σ = 6249998520. Its totient is φ = 833333120.

The previous prime is 2499999377. The next prime is 2499999401. The reversal of 2499999384 is 4839999942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52083297 + ... + 52083344.

Almost surely, 2^2499999384 is an apocalyptic number.

2499999384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2499999384 is an abundant number, since it is smaller than the sum of its proper divisors (3749999136).

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

2499999384 is a wasteful number, since it uses less digits than its factorization.

2499999384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104166650 (or 104166646 counting only the distinct ones).

The product of its digits is 45349632, while the sum is 66.

The square root of 2499999384 is about 49999.9938399996. The cubic root of 2499999384 is about 1357.2086968254.

It can be divided in two parts, 249999938 and 4, that added together give a palindrome (249999942).

The spelling of 2499999384 in words is "two billion, four hundred ninety-nine million, nine hundred ninety-nine thousand, three hundred eighty-four".