2987388 has 48 divisors (see below), whose sum is σ = 7840000. Its totient is φ = 983664.

The previous prime is 2987371. The next prime is 2987407. The reversal of 2987388 is 8837892.

2987388 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14913 + ... + 15111.

2^2987388 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 2987388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3920000).

2987388 is an abundant number, since it is smaller than the sum of its proper divisors (4852612).

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

2987388 is a wasteful number, since it uses less digits than its factorization.

2987388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351 (or 343 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 2987388 is about 1728.4062022569. The cubic root of 2987388 is about 144.0225659080.

It can be divided in two parts, 2987 and 388, that added together give a cube (3375 = 15³).

The spelling of 2987388 in words is "two million, nine hundred eighty-seven thousand, three hundred eighty-eight".