1894018052 has 12 divisors (see below), whose sum is σ = 3314866380. Its totient is φ = 946913376.

The previous prime is 1894018019. The next prime is 1894018103. The reversal of 1894018052 is 2508104981.

It can be written as a sum of positive squares in 2 ways, for example, as 1155048196 + 738969856 = 33986^2 + 27184^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1894017997 and 1894018015.

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, 39074 + ... + 72902.

It is an arithmetic number, because the mean of its divisors is an integer number (276238865).

Almost surely, 2^1894018052 is an apocalyptic number.

It is an amenable number.

1894018052 is a deficient number, since it is larger than the sum of its proper divisors (1420848328).

1894018052 is a wasteful number, since it uses less digits than its factorization.

1894018052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47830 (or 47828 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 1894018052 is about 43520.3176918551. The cubic root of 1894018052 is about 1237.2611358445.

The spelling of 1894018052 in words is "one billion, eight hundred ninety-four million, eighteen thousand, fifty-two".