2839242478 has 8 divisors (see below), whose sum is σ = 4263070968. Its totient is φ = 1418218824.

The previous prime is 2839242463. The next prime is 2839242481. The reversal of 2839242478 is 8742429382.

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

It is a super-2 number, since 2×2839242478² = 16122595697759160968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698676 + ... + 702727.

It is an arithmetic number, because the mean of its divisors is an integer number (532883871).

Almost surely, 2^2839242478 is an apocalyptic number.

2839242478 is a deficient number, since it is larger than the sum of its proper divisors (1423828490).

2839242478 is a wasteful number, since it uses less digits than its factorization.

2839242478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402418.

The product of its digits is 1548288, while the sum is 49.

The square root of 2839242478 is about 53284.5425803769. The cubic root of 2839242478 is about 1416.0138285726.

The spelling of 2839242478 in words is "two billion, eight hundred thirty-nine million, two hundred forty-two thousand, four hundred seventy-eight".