694040001 has 16 divisors (see below), whose sum is σ = 931467264. Its totient is φ = 459662544.

The previous prime is 694039993. The next prime is 694040033. The reversal of 694040001 is 100040496.

694040001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 694040001 - 2³ = 694039993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (694040041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485650 + ... + 487076.

It is an arithmetic number, because the mean of its divisors is an integer number (58216704).

Almost surely, 2^694040001 is an apocalyptic number.

It is an amenable number.

694040001 is a deficient number, since it is larger than the sum of its proper divisors (237427263).

694040001 is a wasteful number, since it uses less digits than its factorization.

694040001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 694040001 is about 26344.6389422972. The cubic root of 694040001 is about 885.3768601504.

Adding to 694040001 its reverse (100040496), we get a palindrome (794080497).

The spelling of 694040001 in words is "six hundred ninety-four million, forty thousand, one".