696228891 has 8 divisors (see below), whose sum is σ = 928459584. Its totient is φ = 464075400.

The previous prime is 696228877. The next prime is 696228901. The reversal of 696228891 is 198822696.

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

It is a de Polignac number, because none of the positive numbers 2^k-696228891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (696228811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6780 + ... + 37926.

It is an arithmetic number, because the mean of its divisors is an integer number (116057448).

Almost surely, 2^696228891 is an apocalyptic number.

696228891 is a deficient number, since it is larger than the sum of its proper divisors (232230693).

696228891 is a wasteful number, since it uses less digits than its factorization.

696228891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38601.

The product of its digits is 746496, while the sum is 51.

The square root of 696228891 is about 26386.1496054275. The cubic root of 696228891 is about 886.3066618636.

It can be divided in two parts, 6962 and 28891, that added together give a palindrome (35853).

The spelling of 696228891 in words is "six hundred ninety-six million, two hundred twenty-eight thousand, eight hundred ninety-one".