240198793 has 4 divisors (see below), whose sum is σ = 248481540. Its totient is φ = 231916048.

The previous prime is 240198767. The next prime is 240198823. The reversal of 240198793 is 397891042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 397891042 = 2 ⋅198945521.

It can be written as a sum of positive squares in 2 ways, for example, as 46348864 + 193849929 = 6808^2 + 13923^2 .

It is a cyclic number.

It is not a de Polignac number, because 240198793 - 2²¹ = 238101641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240198293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4141330 + ... + 4141387.

It is an arithmetic number, because the mean of its divisors is an integer number (62120385).

Almost surely, 2^240198793 is an apocalyptic number.

It is an amenable number.

240198793 is a deficient number, since it is larger than the sum of its proper divisors (8282747).

240198793 is an equidigital number, since it uses as much as digits as its factorization.

240198793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8282746.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 240198793 is about 15498.3480732625. The cubic root of 240198793 is about 621.6180360806.

The spelling of 240198793 in words is "two hundred forty million, one hundred ninety-eight thousand, seven hundred ninety-three".