1894134352 has 80 divisors (see below), whose sum is σ = 4100362560. Its totient is φ = 840320000.

The previous prime is 1894134329. The next prime is 1894134353. The reversal of 1894134352 is 2534314981.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894134353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2340924 + ... + 2341732.

It is an arithmetic number, because the mean of its divisors is an integer number (51254532).

Almost surely, 2^1894134352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1894134352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2050181280).

1894134352 is an abundant number, since it is smaller than the sum of its proper divisors (2206228208).

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

1894134352 is a wasteful number, since it uses less digits than its factorization.

1894134352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 1126 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 1894134352 is about 43521.6538288701. The cubic root of 1894134352 is about 1237.2864595251.

The spelling of 1894134352 in words is "one billion, eight hundred ninety-four million, one hundred thirty-four thousand, three hundred fifty-two".