697400 has 48 divisors (see below), whose sum is σ = 1774440. Its totient is φ = 252800.

The previous prime is 697399. The next prime is 697409. The reversal of 697400 is 4796.

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 697400.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 2042 + ... + 2358.

2⁶⁹⁷⁴⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887220).

697400 is an abundant number, since it is smaller than the sum of its proper divisors (1077040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

697400 is a wasteful number, since it uses less digits than its factorization.

697400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 697400 is about 835.1047838445. The cubic root of 697400 is about 88.6803328161.

The spelling of 697400 in words is "six hundred ninety-seven thousand, four hundred".