694196401 has 4 divisors (see below), whose sum is σ = 694513152. Its totient is φ = 693879652.

The previous prime is 694196353. The next prime is 694196449. The reversal of 694196401 is 104691496.

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.

It is an interprime number because it is at equal distance from previous prime (694196353) and next prime (694196449).

It is a cyclic number.

It is not a de Polignac number, because 694196401 - 2⁷ = 694196273 is a prime.

It is a super-2 number, since 2×694196401² = 963817286322705602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (694196471) 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, 155065 + ... + 159478.

It is an arithmetic number, because the mean of its divisors is an integer number (173628288).

Almost surely, 2^694196401 is an apocalyptic number.

It is an amenable number.

694196401 is a deficient number, since it is larger than the sum of its proper divisors (316751).

694196401 is a wasteful number, since it uses less digits than its factorization.

694196401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316750.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 694196401 is about 26347.6071209512. The cubic root of 694196401 is about 885.4433608999.

The spelling of 694196401 in words is "six hundred ninety-four million, one hundred ninety-six thousand, four hundred one".