2087406684 has 72 divisors (see below), whose sum is σ = 5771630592. Its totient is φ = 630850080.

The previous prime is 2087406679. The next prime is 2087406733. The reversal of 2087406684 is 4866047802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144787 + ... + 158549.

It is an arithmetic number, because the mean of its divisors is an integer number (80161536).

Almost surely, 2^2087406684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2087406684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2885815296).

2087406684 is an abundant number, since it is smaller than the sum of its proper divisors (3684223908).

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

2087406684 is a wasteful number, since it uses less digits than its factorization.

2087406684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14167 (or 14162 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 2087406684 is about 45688.1459899611. The cubic root of 2087406684 is about 1278.0142312918.

The spelling of 2087406684 in words is "two billion, eighty-seven million, four hundred six thousand, six hundred eighty-four".