997363801 has 16 divisors (see below), whose sum is σ = 1170981504. Its totient is φ = 831688704.

The previous prime is 997363793. The next prime is 997363813. The reversal of 997363801 is 108363799.

997363801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 997363801 - 2³ = 997363793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (997363831) 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, 70911 + ... + 83803.

It is an arithmetic number, because the mean of its divisors is an integer number (73186344).

Almost surely, 2^997363801 is an apocalyptic number.

997363801 is the 25786-th pentagonal number.

It is an amenable number.

997363801 is a deficient number, since it is larger than the sum of its proper divisors (173617703).

997363801 is a wasteful number, since it uses less digits than its factorization.

997363801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13200.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 997363801 is about 31581.0671288986. The cubic root of 997363801 is about 999.1204936954.

The spelling of 997363801 in words is "nine hundred ninety-seven million, three hundred sixty-three thousand, eight hundred one".