997338059 has 4 divisors (see below), whose sum is σ = 1002909960. Its totient is φ = 991766160.

The previous prime is 997338053. The next prime is 997338061. The reversal of 997338059 is 950833799.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 997338059 - 2¹² = 997333963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 997338059.

It is not an unprimeable number, because it can be changed into a prime (997338053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2785682 + ... + 2786039.

It is an arithmetic number, because the mean of its divisors is an integer number (250727490).

Almost surely, 2^997338059 is an apocalyptic number.

997338059 is a deficient number, since it is larger than the sum of its proper divisors (5571901).

997338059 is a wasteful number, since it uses less digits than its factorization.

997338059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571900.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The square root of 997338059 is about 31580.6595719595. The cubic root of 997338059 is about 999.1118978414. Note that the first 3 decimals are identical.

The spelling of 997338059 in words is "nine hundred ninety-seven million, three hundred thirty-eight thousand, fifty-nine".