697804 has 12 divisors (see below), whose sum is σ = 1249864. Its totient is φ = 340704.

The previous prime is 697787. The next prime is 697819. The reversal of 697804 is 408796.

697804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 697804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1857 + ... + 2200.

2⁶⁹⁷⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

697804 is a deficient number, since it is larger than the sum of its proper divisors (552060).

697804 is a wasteful number, since it uses less digits than its factorization.

697804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104 (or 4102 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 697804 is about 835.3466346374. The cubic root of 697804 is about 88.6974535209.

The spelling of 697804 in words is "six hundred ninety-seven thousand, eight hundred four".