997234782 has 32 divisors (see below), whose sum is σ = 2096416512. Its totient is φ = 315632064.

The previous prime is 997234747. The next prime is 997234783. The reversal of 997234782 is 287432799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997234783) 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, 7468 + ... + 45279.

It is an arithmetic number, because the mean of its divisors is an integer number (65513016).

Almost surely, 2^997234782 is an apocalyptic number.

997234782 is an abundant number, since it is smaller than the sum of its proper divisors (1099181730).

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

997234782 is a wasteful number, since it uses less digits than its factorization.

997234782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52912.

The product of its digits is 1524096, while the sum is 51.

The square root of 997234782 is about 31579.0243991166. The cubic root of 997234782 is about 999.0774097557.

The spelling of 997234782 in words is "nine hundred ninety-seven million, two hundred thirty-four thousand, seven hundred eighty-two".