2987828 has 6 divisors (see below), whose sum is σ = 5228706. Its totient is φ = 1493912.

The previous prime is 2987827. The next prime is 2987839. The reversal of 2987828 is 8287892.

It can be written as a sum of positive squares in only one way, i.e., 1817104 + 1170724 = 1348^2 + 1082^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2987821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373475 + ... + 373482.

It is an arithmetic number, because the mean of its divisors is an integer number (871451).

2^2987828 is an apocalyptic number.

It is an amenable number.

2987828 is a deficient number, since it is larger than the sum of its proper divisors (2240878).

2987828 is a wasteful number, since it uses less digits than its factorization.

2987828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746961 (or 746959 counting only the distinct ones).

The product of its digits is 129024, while the sum is 44.

The square root of 2987828 is about 1728.5334824643. The cubic root of 2987828 is about 144.0296363899.

The spelling of 2987828 in words is "two million, nine hundred eighty-seven thousand, eight hundred twenty-eight".