1002978084 has 24 divisors (see below), whose sum is σ = 2340874368. Its totient is φ = 334241440.

The previous prime is 1002978083. The next prime is 1002978103. The reversal of 1002978084 is 4808792001.

1002978084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1002978084² = 2011930073968622112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1002978083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55189 + ... + 71075.

It is an arithmetic number, because the mean of its divisors is an integer number (97536432).

Almost surely, 2^1002978084 is an apocalyptic number.

It is an amenable number.

1002978084 is an abundant number, since it is smaller than the sum of its proper divisors (1337896284).

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

1002978084 is a wasteful number, since it uses less digits than its factorization.

1002978084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21155 (or 21153 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 1002978084 is about 31669.8292385671. The cubic root of 1002978084 is about 1000.9917108511.

The spelling of 1002978084 in words is "one billion, two million, nine hundred seventy-eight thousand, eighty-four".