697401 has 6 divisors (see below), whose sum is σ = 1007370. Its totient is φ = 464928.

The previous prime is 697399. The next prime is 697409. The reversal of 697401 is 104796.

It can be written as a sum of positive squares in only one way, i.e., 389376 + 308025 = 624^2 + 555^2 .

It is not a de Polignac number, because 697401 - 2¹ = 697399 is a prime.

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 697401.

It is not an unprimeable number, because it can be changed into a prime (697409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38736 + ... + 38753.

It is an arithmetic number, because the mean of its divisors is an integer number (167895).

2⁶⁹⁷⁴⁰¹ is an apocalyptic number.

It is an amenable number.

697401 is a deficient number, since it is larger than the sum of its proper divisors (309969).

697401 is a wasteful number, since it uses less digits than its factorization.

697401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77495 (or 77492 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 697401 is about 835.1053825716. The cubic root of 697401 is about 88.6803752022.

The spelling of 697401 in words is "six hundred ninety-seven thousand, four hundred one".