1000394726 has 8 divisors (see below), whose sum is σ = 1579570680. Its totient is φ = 473871168.

The previous prime is 1000394723. The next prime is 1000394761. The reversal of 1000394726 is 6274930001.

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

It is a junction number, because it is equal to n+sod(n) for n = 1000394692 and 1000394701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000394723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13163051 + ... + 13163126.

It is an arithmetic number, because the mean of its divisors is an integer number (197446335).

Almost surely, 2^1000394726 is an apocalyptic number.

1000394726 is a deficient number, since it is larger than the sum of its proper divisors (579175954).

1000394726 is a wasteful number, since it uses less digits than its factorization.

1000394726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26326198.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1000394726 is about 31629.0171519761. The cubic root of 1000394726 is about 1000.1315580251.

The spelling of 1000394726 in words is "one billion, three hundred ninety-four thousand, seven hundred twenty-six".