1839228436 has 12 divisors (see below), whose sum is σ = 3407982228. Its totient is φ = 865519232.

The previous prime is 1839228427. The next prime is 1839228439. The reversal of 1839228436 is 6348229381.

It can be written as a sum of positive squares in 2 ways, for example, as 1656978436 + 182250000 = 40706^2 + 13500^2 .

It is a super-2 number, since 2×1839228436² = 6765522479582012192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1839228439) 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 3 ways as a sum of consecutive naturals, for example, 13523671 + ... + 13523806.

It is an arithmetic number, because the mean of its divisors is an integer number (283998519).

Almost surely, 2^1839228436 is an apocalyptic number.

It is an amenable number.

1839228436 is a deficient number, since it is larger than the sum of its proper divisors (1568753792).

1839228436 is a wasteful number, since it uses less digits than its factorization.

1839228436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27047498 (or 27047496 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The square root of 1839228436 is about 42886.2266467919. The cubic root of 1839228436 is about 1225.2138315601.

The spelling of 1839228436 in words is "one billion, eight hundred thirty-nine million, two hundred twenty-eight thousand, four hundred thirty-six".