694086401 has 4 divisors (see below), whose sum is σ = 694139904. Its totient is φ = 694032900.

The previous prime is 694086391. The next prime is 694086427. The reversal of 694086401 is 104680496.

694086401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 694086401 - 2²² = 689892097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (694086431) 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, 6416 + ... + 37806.

It is an arithmetic number, because the mean of its divisors is an integer number (173534976).

Almost surely, 2^694086401 is an apocalyptic number.

It is an amenable number.

694086401 is a deficient number, since it is larger than the sum of its proper divisors (53503).

694086401 is a wasteful number, since it uses less digits than its factorization.

694086401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53502.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 694086401 is about 26345.5195621571. The cubic root of 694086401 is about 885.3965903152.

The spelling of 694086401 in words is "six hundred ninety-four million, eighty-six thousand, four hundred one".