997464 has 64 divisors (see below), whose sum is σ = 2822400. Its totient is φ = 291456.

The previous prime is 997463. The next prime is 997511. The reversal of 997464 is 464799.

997464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7107 + ... + 7245.

It is an arithmetic number, because the mean of its divisors is an integer number (44100).

2⁹⁹⁷⁴⁶⁴ 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 997464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1411200).

997464 is an abundant number, since it is smaller than the sum of its proper divisors (1824936).

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

997464 is a wasteful number, since it uses less digits than its factorization.

997464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 180 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 997464 is about 998.7311950670. The cubic root of 997464 is about 99.9153951070.

The spelling of 997464 in words is "nine hundred ninety-seven thousand, four hundred sixty-four".