826993994 has 8 divisors (see below), whose sum is σ = 1240614468. Its totient is φ = 413455840.

The previous prime is 826993987. The next prime is 826994027. The reversal of 826993994 is 499399628.

826993994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 538843369 + 288150625 = 23213^2 + 16975^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×826993994² = 1367838132224144072, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22964 + ... + 46704.

Almost surely, 2^826993994 is an apocalyptic number.

826993994 is a deficient number, since it is larger than the sum of its proper divisors (413620474).

826993994 is a wasteful number, since it uses less digits than its factorization.

826993994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41160.

The product of its digits is 7558272, while the sum is 59.

The square root of 826993994 is about 28757.5032643656. The cubic root of 826993994 is about 938.6437336737.

The spelling of 826993994 in words is "eight hundred twenty-six million, nine hundred ninety-three thousand, nine hundred ninety-four".