1890008112 has 40 divisors (see below), whose sum is σ = 4893597504. Its totient is φ = 628573504.

The previous prime is 1890008083. The next prime is 1890008117. The reversal of 1890008112 is 2118000981.

It is a self number, because there is not a number n which added to its sum of digits gives 1890008112.

It is not an unprimeable number, because it can be changed into a prime (1890008117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23178 + ... + 65705.

Almost surely, 2^1890008112 is an apocalyptic number.

1890008112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1890008112 is an abundant number, since it is smaller than the sum of its proper divisors (3003589392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1890008112 is a wasteful number, since it uses less digits than its factorization.

1890008112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89337 (or 89331 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 1890008112 is about 43474.2235353318. The cubic root of 1890008112 is about 1236.3873588219.

The spelling of 1890008112 in words is "one billion, eight hundred ninety million, eight thousand, one hundred twelve".