997286446 has 16 divisors (see below), whose sum is σ = 1621676448. Its totient is φ = 457236000.

The previous prime is 997286429. The next prime is 997286449. The reversal of 997286446 is 644682799.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997286449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123085 + ... + 130936.

It is an arithmetic number, because the mean of its divisors is an integer number (101354778).

Almost surely, 2^997286446 is an apocalyptic number.

997286446 is a deficient number, since it is larger than the sum of its proper divisors (624390002).

997286446 is a wasteful number, since it uses less digits than its factorization.

997286446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254187.

The product of its digits is 5225472, while the sum is 55.

The square root of 997286446 is about 31579.8423998601. The cubic root of 997286446 is about 999.0946626116.

The spelling of 997286446 in words is "nine hundred ninety-seven million, two hundred eighty-six thousand, four hundred forty-six".