697442 has 16 divisors (see below), whose sum is σ = 1126872. Its totient is φ = 322560.

The previous prime is 697441. The next prime is 697447. The reversal of 697442 is 244796.

It can be written as a sum of positive squares in 4 ways, for example, as 687241 + 10201 = 829^2 + 101^2 .

It is a junction number, because it is equal to n+sod(n) for n = 697399 and 697408.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 697442.

It is not an unprimeable number, because it can be changed into a prime (697441) 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, 2342 + ... + 2622.

2⁶⁹⁷⁴⁴² is an apocalyptic number.

697442 is a deficient number, since it is larger than the sum of its proper divisors (429430).

697442 is a wasteful number, since it uses less digits than its factorization.

697442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373.

The product of its digits is 12096, while the sum is 32.

The square root of 697442 is about 835.1299300109. The cubic root of 697442 is about 88.6821129992.

The spelling of 697442 in words is "six hundred ninety-seven thousand, four hundred forty-two".