2987397984 has 48 divisors (see below), whose sum is σ = 7873225920. Its totient is φ = 991824000.

The previous prime is 2987397971. The next prime is 2987397997. The reversal of 2987397984 is 4897937892.

It is an interprime number because it is at equal distance from previous prime (2987397971) and next prime (2987397997).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37894 + ... + 86085.

It is an arithmetic number, because the mean of its divisors is an integer number (164025540).

Almost surely, 2^2987397984 is an apocalyptic number.

2987397984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2987397984 is an abundant number, since it is smaller than the sum of its proper divisors (4885827936).

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

2987397984 is a wasteful number, since it uses less digits than its factorization.

2987397984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124243 (or 124235 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 66.

The square root of 2987397984 is about 54657.0945440754. The cubic root of 2987397984 is about 1440.2272635137.

The spelling of 2987397984 in words is "two billion, nine hundred eighty-seven million, three hundred ninety-seven thousand, nine hundred eighty-four".