697634 has 8 divisors (see below), whose sum is σ = 1195968. Its totient is φ = 298980.

The previous prime is 697603. The next prime is 697637. The reversal of 697634 is 436796.

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

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 697594 and 697603.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 697634.

It is not an unprimeable number, because it can be changed into a prime (697637) 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, 24902 + ... + 24929.

It is an arithmetic number, because the mean of its divisors is an integer number (149496).

2⁶⁹⁷⁶³⁴ is an apocalyptic number.

697634 is a deficient number, since it is larger than the sum of its proper divisors (498334).

697634 is a wasteful number, since it uses less digits than its factorization.

697634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49840.

The product of its digits is 27216, while the sum is 35.

The square root of 697634 is about 835.2448742734. The cubic root of 697634 is about 88.6902500694.

It can be divided in two parts, 697 and 634, that added together give a palindrome (1331).

The spelling of 697634 in words is "six hundred ninety-seven thousand, six hundred thirty-four".