1000993450 has 12 divisors (see below), whose sum is σ = 1861847910. Its totient is φ = 400397360.

The previous prime is 1000993421. The next prime is 1000993463. The reversal of 1000993450 is 543990001.

It can be written as a sum of positive squares in 3 ways, for example, as 796989361 + 204004089 = 28231^2 + 14283^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10009885 + ... + 10009984.

Almost surely, 2^1000993450 is an apocalyptic number.

1000993450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000993450 is a deficient number, since it is larger than the sum of its proper divisors (860854460).

1000993450 is a wasteful number, since it uses less digits than its factorization.

1000993450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20019881 (or 20019876 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 1000993450 is about 31638.4805260935. The cubic root of 1000993450 is about 1000.3310404002.

The spelling of 1000993450 in words is "one billion, nine hundred ninety-three thousand, four hundred fifty".