697682214 has 64 divisors (see below), whose sum is σ = 1578528000. Its totient is φ = 228381120.

The previous prime is 697682213. The next prime is 697682221. The reversal of 697682214 is 412286796.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 697682214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697682213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 859869 + ... + 860679.

It is an arithmetic number, because the mean of its divisors is an integer number (24664500).

Almost surely, 2^697682214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697682214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (789264000).

697682214 is an abundant number, since it is smaller than the sum of its proper divisors (880845786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

697682214 is a wasteful number, since it uses less digits than its factorization.

697682214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 1084 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 697682214 is about 26413.6747538089. The cubic root of 697682214 is about 886.9229317184.

The spelling of 697682214 in words is "six hundred ninety-seven million, six hundred eighty-two thousand, two hundred fourteen".