997673206 has 16 divisors (see below), whose sum is σ = 1512276480. Its totient is φ = 493603240.

The previous prime is 997673177. The next prime is 997673249. The reversal of 997673206 is 602376799.

It is a self number, because there is not a number n which added to its sum of digits gives 997673206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88755 + ... + 99361.

It is an arithmetic number, because the mean of its divisors is an integer number (94517280).

Almost surely, 2^997673206 is an apocalyptic number.

997673206 is a deficient number, since it is larger than the sum of its proper divisors (514603274).

997673206 is a wasteful number, since it uses less digits than its factorization.

997673206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11099.

The product of its (nonzero) digits is 857304, while the sum is 49.

The square root of 997673206 is about 31585.9653327233. The cubic root of 997673206 is about 999.2237996689.

The spelling of 997673206 in words is "nine hundred ninety-seven million, six hundred seventy-three thousand, two hundred six".