1884428436 has 48 divisors (see below), whose sum is σ = 5049192960. Its totient is φ = 540983520.

The previous prime is 1884428423. The next prime is 1884428449. The reversal of 1884428436 is 6348244881.

It is an interprime number because it is at equal distance from previous prime (1884428423) and next prime (1884428449).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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 in 15 ways as a sum of consecutive naturals, for example, 373176 + ... + 378191.

It is an arithmetic number, because the mean of its divisors is an integer number (105191520).

Almost surely, 2^1884428436 is an apocalyptic number.

It is an amenable number.

1884428436 is an abundant number, since it is smaller than the sum of its proper divisors (3164764524).

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

1884428436 is a wasteful number, since it uses less digits than its factorization.

1884428436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751404 (or 751402 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 48.

The square root of 1884428436 is about 43410.0038700758. The cubic root of 1884428436 is about 1235.1694732653.

It can be divided in two parts, 188442 and 8436, that added together give a triangular number (196878 = T₆₂₇).

The spelling of 1884428436 in words is "one billion, eight hundred eighty-four million, four hundred twenty-eight thousand, four hundred thirty-six".