1000981740 has 48 divisors (see below), whose sum is σ = 3057546240. Its totient is φ = 242662080.

The previous prime is 1000981733. The next prime is 1000981753. The reversal of 1000981740 is 471890001.

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

It is a junction number, because it is equal to n+sod(n) for n = 1000981698 and 1000981707.

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 15 ways as a sum of consecutive naturals, for example, 757660 + ... + 758979.

It is an arithmetic number, because the mean of its divisors is an integer number (63698880).

Almost surely, 2^1000981740 is an apocalyptic number.

1000981740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000981740 is an abundant number, since it is smaller than the sum of its proper divisors (2056564500).

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

1000981740 is a wasteful number, since it uses less digits than its factorization.

1000981740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516662 (or 1516660 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 1000981740 is about 31638.2954660961. The cubic root of 1000981740 is about 1000.3271396347.

The spelling of 1000981740 in words is "one billion, nine hundred eighty-one thousand, seven hundred forty".