697234 has 4 divisors (see below), whose sum is σ = 1045854. Its totient is φ = 348616.

The previous prime is 697217. The next prime is 697259. The reversal of 697234 is 432796.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 697225 + 9 = 835^2 + 3^2 .

It is a super-2 number, since 2×697234² = 972270501512, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 697196 and 697205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174307 + ... + 174310.

2⁶⁹⁷²³⁴ is an apocalyptic number.

697234 is a deficient number, since it is larger than the sum of its proper divisors (348620).

697234 is a wasteful number, since it uses less digits than its factorization.

697234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348619.

The product of its digits is 9072, while the sum is 31.

The square root of 697234 is about 835.0053892042. The cubic root of 697234 is about 88.6732961545.

The spelling of 697234 in words is "six hundred ninety-seven thousand, two hundred thirty-four".