1083630994 has 16 divisors (see below), whose sum is σ = 1683432000. Its totient is φ = 522530064.

The previous prime is 1083630931. The next prime is 1083630997. The reversal of 1083630994 is 4990363801.

It is a super-2 number, since 2×1083630994² = 2348512262314856072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1083630994.

It is not an unprimeable number, because it can be changed into a prime (1083630997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42307 + ... + 62905.

It is an arithmetic number, because the mean of its divisors is an integer number (105214500).

Almost surely, 2^1083630994 is an apocalyptic number.

1083630994 is a deficient number, since it is larger than the sum of its proper divisors (599801006).

1083630994 is a wasteful number, since it uses less digits than its factorization.

1083630994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21537.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1083630994 is about 32918.5509097834. The cubic root of 1083630994 is about 1027.1340804474.

The spelling of 1083630994 in words is "one billion, eighty-three million, six hundred thirty thousand, nine hundred ninety-four".