2340642398 has 8 divisors (see below), whose sum is σ = 3547159392. Its totient is φ = 1158255936.

The previous prime is 2340642391. The next prime is 2340642401. The reversal of 2340642398 is 8932460432.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340642391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6032390 + ... + 6032777.

It is an arithmetic number, because the mean of its divisors is an integer number (443394924).

Almost surely, 2^2340642398 is an apocalyptic number.

2340642398 is a deficient number, since it is larger than the sum of its proper divisors (1206516994).

2340642398 is a wasteful number, since it uses less digits than its factorization.

2340642398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12065266.

The product of its (nonzero) digits is 248832, while the sum is 41.

The square root of 2340642398 is about 48380.1860062567. The cubic root of 2340642398 is about 1327.7358727232.

The spelling of 2340642398 in words is "two billion, three hundred forty million, six hundred forty-two thousand, three hundred ninety-eight".