801368397 has 40 divisors (see below), whose sum is σ = 1242984600. Its totient is φ = 513910656.

The previous prime is 801368387. The next prime is 801368401. The reversal of 801368397 is 793863108.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 154480041 + 646888356 = 12429^2 + 25434^2 .

It is not a de Polignac number, because 801368397 - 2¹⁰ = 801367373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801368387) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 913323 + ... + 914199.

It is an arithmetic number, because the mean of its divisors is an integer number (31074615).

Almost surely, 2^801368397 is an apocalyptic number.

801368397 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

801368397 is a deficient number, since it is larger than the sum of its proper divisors (441616203).

801368397 is a wasteful number, since it uses less digits than its factorization.

801368397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 801368397 is about 28308.4509819948. The cubic root of 801368397 is about 928.8467599097.

The spelling of 801368397 in words is "eight hundred one million, three hundred sixty-eight thousand, three hundred ninety-seven".