997460 has 24 divisors (see below), whose sum is σ = 2136456. Its totient is φ = 391040.

The previous prime is 997453. The next prime is 997463. The reversal of 997460 is 64799.

It is a happy number.

997460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 226576 + 770884 = 476^2 + 878^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 997460.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997463) by changing a digit.

997460 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590 + ... + 1530.

It is an arithmetic number, because the mean of its divisors is an integer number (89019).

2⁹⁹⁷⁴⁶⁰ is an apocalyptic number.

It is an amenable number.

997460 is an abundant number, since it is smaller than the sum of its proper divisors (1138996).

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

997460 is a wasteful number, since it uses less digits than its factorization.

997460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 1001 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 997460 is about 998.7291925242. The cubic root of 997460 is about 99.9152615476.

The spelling of 997460 in words is "nine hundred ninety-seven thousand, four hundred sixty".