696388001 has 4 divisors (see below), whose sum is σ = 696440832. Its totient is φ = 696335172.

The previous prime is 696387977. The next prime is 696388003. The reversal of 696388001 is 100883696.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-696388001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 696388001.

It is not an unprimeable number, because it can be changed into a prime (696388003) 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, 11456 + ... + 39038.

It is an arithmetic number, because the mean of its divisors is an integer number (174110208).

Almost surely, 2^696388001 is an apocalyptic number.

It is an amenable number.

696388001 is a deficient number, since it is larger than the sum of its proper divisors (52831).

696388001 is a wasteful number, since it uses less digits than its factorization.

696388001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52830.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 696388001 is about 26389.1644619529. The cubic root of 696388001 is about 886.3741729526.

The spelling of 696388001 in words is "six hundred ninety-six million, three hundred eighty-eight thousand, one".