1897241832 has 32 divisors (see below), whose sum is σ = 5270116800. Its totient is φ = 632413872.

The previous prime is 1897241813. The next prime is 1897241833. The reversal of 1897241832 is 2381427981.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1897241833) 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, 4391548 + ... + 4391979.

It is an arithmetic number, because the mean of its divisors is an integer number (164691150).

Almost surely, 2^1897241832 is an apocalyptic number.

1897241832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1897241832 is an abundant number, since it is smaller than the sum of its proper divisors (3372874968).

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

1897241832 is a wasteful number, since it uses less digits than its factorization.

1897241832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8783542 (or 8783532 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 1897241832 is about 43557.3395881796. The cubic root of 1897241832 is about 1237.9627125491.

The spelling of 1897241832 in words is "one billion, eight hundred ninety-seven million, two hundred forty-one thousand, eight hundred thirty-two".