997480032 has 144 divisors (see below), whose sum is σ = 2811407760. Its totient is φ = 309583872.

The previous prime is 997480007. The next prime is 997480061. The reversal of 997480032 is 230084799.

997480032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4355694 + ... + 4355922.

It is an arithmetic number, because the mean of its divisors is an integer number (19523665).

Almost surely, 2^997480032 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 997480032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405703880).

997480032 is an abundant number, since it is smaller than the sum of its proper divisors (1813927728).

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

997480032 is a wasteful number, since it uses less digits than its factorization.

997480032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 997480032 is about 31582.9072759301. The cubic root of 997480032 is about 999.1593040951.

The spelling of 997480032 in words is "nine hundred ninety-seven million, four hundred eighty thousand, thirty-two".