1000090996 has 6 divisors (see below), whose sum is σ = 1750159250. Its totient is φ = 500045496.

The previous prime is 1000090979. The next prime is 1000091003. The reversal of 1000090996 is 6990900001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 689062500 + 311028496 = 26250^2 + 17636^2 .

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 as a sum of consecutive naturals, namely, 125011371 + ... + 125011378.

Almost surely, 2^1000090996 is an apocalyptic number.

It is an amenable number.

1000090996 is a deficient number, since it is larger than the sum of its proper divisors (750068254).

1000090996 is a wasteful number, since it uses less digits than its factorization.

1000090996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250022753 (or 250022751 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 1000090996 is about 31624.2153420445. The cubic root of 1000090996 is about 1000.0303310800.

Adding to 1000090996 its reverse (6990900001), we get a palindrome (7990990997).

The spelling of 1000090996 in words is "one billion, ninety thousand, nine hundred ninety-six".