1884428427 has 24 divisors (see below), whose sum is σ = 3094719696. Its totient is φ = 1013472768.

The previous prime is 1884428423. The next prime is 1884428449. The reversal of 1884428427 is 7248244881.

It is not a de Polignac number, because 1884428427 - 2² = 1884428423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1884428423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 374538 + ... + 379535.

It is an arithmetic number, because the mean of its divisors is an integer number (128946654).

Almost surely, 2^1884428427 is an apocalyptic number.

1884428427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1884428427 is a deficient number, since it is larger than the sum of its proper divisors (1210291269).

1884428427 is a wasteful number, since it uses less digits than its factorization.

1884428427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754107 (or 754100 counting only the distinct ones).

The product of its digits is 917504, while the sum is 48.

The square root of 1884428427 is about 43410.0037664131. The cubic root of 1884428427 is about 1235.1694712989.

The spelling of 1884428427 in words is "one billion, eight hundred eighty-four million, four hundred twenty-eight thousand, four hundred twenty-seven".