2378860906 has 16 divisors (see below), whose sum is σ = 3669981480. Its totient is φ = 1155625920.

The previous prime is 2378860853. The next prime is 2378860937. The reversal of 2378860906 is 6090688732.

It can be written as a sum of positive squares in 4 ways, for example, as 1312250625 + 1066610281 = 36225^2 + 32659^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2378860906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29796 + ... + 75136.

Almost surely, 2^2378860906 is an apocalyptic number.

2378860906 is a deficient number, since it is larger than the sum of its proper divisors (1291120574).

2378860906 is a wasteful number, since it uses less digits than its factorization.

2378860906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46089.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 2378860906 is about 48773.5676980883. The cubic root of 2378860906 is about 1334.9234117481.

The spelling of 2378860906 in words is "two billion, three hundred seventy-eight million, eight hundred sixty thousand, nine hundred six".