1889623552 has 20 divisors (see below), whose sum is σ = 3775557456. Its totient is φ = 944811520.

The previous prime is 1889623523. The next prime is 1889623573. The reversal of 1889623552 is 2553269881.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1889623496 and 1889623505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1844824 + ... + 1845847.

Almost surely, 2^1889623552 is an apocalyptic number.

It is an amenable number.

1889623552 is a deficient number, since it is larger than the sum of its proper divisors (1885933904).

1889623552 is an frugal number, since it uses more digits than its factorization.

1889623552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690689 (or 3690673 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 49.

The square root of 1889623552 is about 43469.8004596294. The cubic root of 1889623552 is about 1236.3034972111.

The spelling of 1889623552 in words is "one billion, eight hundred eighty-nine million, six hundred twenty-three thousand, five hundred fifty-two".