1002981630 has 64 divisors (see below), whose sum is σ = 2785904640. Its totient is φ = 226347264.

The previous prime is 1002981619. The next prime is 1002981689. The reversal of 1002981630 is 361892001.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 13639 + ... + 46818.

It is an arithmetic number, because the mean of its divisors is an integer number (43529760).

Almost surely, 2^1002981630 is an apocalyptic number.

1002981630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002981630 is an abundant number, since it is smaller than the sum of its proper divisors (1782923010).

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

1002981630 is a wasteful number, since it uses less digits than its factorization.

1002981630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60553.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1002981630 is about 31669.8852224002. The cubic root of 1002981630 is about 1000.9928905088.

The spelling of 1002981630 in words is "one billion, two million, nine hundred eighty-one thousand, six hundred thirty".