240978838 has 8 divisors (see below), whose sum is σ = 361948032. Its totient is φ = 120329496.

The previous prime is 240978821. The next prime is 240978847. The reversal of 240978838 is 838879042.

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

It is a junction number, because it is equal to n+sod(n) for n = 240978791 and 240978800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78070 + ... + 81097.

It is an arithmetic number, because the mean of its divisors is an integer number (45243504).

Almost surely, 2^240978838 is an apocalyptic number.

240978838 is a deficient number, since it is larger than the sum of its proper divisors (120969194).

240978838 is a wasteful number, since it uses less digits than its factorization.

240978838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159926.

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 240978838 is about 15523.4930991707. The cubic root of 240978838 is about 622.2902100006.

The spelling of 240978838 in words is "two hundred forty million, nine hundred seventy-eight thousand, eight hundred thirty-eight".