2087388400 has 30 divisors (see below), whose sum is σ = 5014951592. Its totient is φ = 834955200.

The previous prime is 2087388389. The next prime is 2087388403. The reversal of 2087388400 is 48837802.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087388403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2608836 + ... + 2609635.

Almost surely, 2^2087388400 is an apocalyptic number.

2087388400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2087388400 is an abundant number, since it is smaller than the sum of its proper divisors (2927563192).

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

2087388400 is a wasteful number, since it uses less digits than its factorization.

2087388400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5218489 (or 5218478 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 2087388400 is about 45687.9458938569. The cubic root of 2087388400 is about 1278.0104998227.

The spelling of 2087388400 in words is "two billion, eighty-seven million, three hundred eighty-eight thousand, four hundred".