798393381 has 4 divisors (see below), whose sum is σ = 1064524512. Its totient is φ = 532262252.

The previous prime is 798393377. The next prime is 798393413. The reversal of 798393381 is 183393897.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 798393381 - 2² = 798393377 is a prime.

It is a super-2 number, since 2×798393381² = 1274863981649222322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798393311) 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, 133065561 + ... + 133065566.

It is an arithmetic number, because the mean of its divisors is an integer number (266131128).

Almost surely, 2^798393381 is an apocalyptic number.

It is an amenable number.

798393381 is a deficient number, since it is larger than the sum of its proper divisors (266131131).

798393381 is a wasteful number, since it uses less digits than its factorization.

798393381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266131130.

The product of its digits is 979776, while the sum is 51.

The square root of 798393381 is about 28255.8556939973. The cubic root of 798393381 is about 927.6959115172.

The spelling of 798393381 in words is "seven hundred ninety-eight million, three hundred ninety-three thousand, three hundred eighty-one".