2789285438 has 8 divisors (see below), whose sum is σ = 4430041632. Its totient is φ = 1312604896.

The previous prime is 2789285437. The next prime is 2789285449. The reversal of 2789285438 is 8345829872.

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

It is a super-2 number, since 2×2789285438² = 15560226509277703688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2789285437) 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, 41018870 + ... + 41018937.

It is an arithmetic number, because the mean of its divisors is an integer number (553755204).

Almost surely, 2^2789285438 is an apocalyptic number.

2789285438 is a deficient number, since it is larger than the sum of its proper divisors (1640756194).

2789285438 is a wasteful number, since it uses less digits than its factorization.

2789285438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82037826.

The product of its digits is 7741440, while the sum is 56.

The square root of 2789285438 is about 52813.6860860895. The cubic root of 2789285438 is about 1407.6596216724.

The spelling of 2789285438 in words is "two billion, seven hundred eighty-nine million, two hundred eighty-five thousand, four hundred thirty-eight".