798197401 has 4 divisors (see below), whose sum is σ = 798848100. Its totient is φ = 797546704.

The previous prime is 798197399. The next prime is 798197417. The reversal of 798197401 is 104791897.

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

It can be written as a sum of positive squares in 2 ways, for example, as 789553801 + 8643600 = 28099^2 + 2940^2 .

It is a cyclic number.

It is not a de Polignac number, because 798197401 - 2¹ = 798197399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (798197431) 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, 323506 + ... + 325963.

It is an arithmetic number, because the mean of its divisors is an integer number (199712025).

Almost surely, 2^798197401 is an apocalyptic number.

It is an amenable number.

798197401 is a deficient number, since it is larger than the sum of its proper divisors (650699).

798197401 is a wasteful number, since it uses less digits than its factorization.

798197401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650698.

The product of its (nonzero) digits is 127008, while the sum is 46.

The square root of 798197401 is about 28252.3875274285. The cubic root of 798197401 is about 927.6199987624.

The spelling of 798197401 in words is "seven hundred ninety-eight million, one hundred ninety-seven thousand, four hundred one".