1889483136 has 32 divisors (see below), whose sum is σ = 5018940600. Its totient is φ = 629827584.

The previous prime is 1889483129. The next prime is 1889483159. The reversal of 1889483136 is 6313849881.

It is a tau number, because it is divible by the number of its divisors (32).

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, 2459881 + ... + 2460648.

Almost surely, 2^1889483136 is an apocalyptic number.

1889483136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1889483136 is an abundant number, since it is smaller than the sum of its proper divisors (3129457464).

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

1889483136 is an equidigital number, since it uses as much as digits as its factorization.

1889483136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4920546 (or 4920534 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 1889483136 is about 43468.1853313432. The cubic root of 1889483136 is about 1236.2728736350.

The spelling of 1889483136 in words is "one billion, eight hundred eighty-nine million, four hundred eighty-three thousand, one hundred thirty-six".