183828421 has 16 divisors (see below), whose sum is σ = 215308800. Its totient is φ = 153676800.

The previous prime is 183828389. The next prime is 183828427. The reversal of 183828421 is 124828381.

It is a cyclic number.

It is not a de Polignac number, because 183828421 - 2⁵ = 183828389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (183828427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114021 + ... + 115621.

It is an arithmetic number, because the mean of its divisors is an integer number (13456800).

Almost surely, 2^183828421 is an apocalyptic number.

It is an amenable number.

183828421 is a deficient number, since it is larger than the sum of its proper divisors (31480379).

183828421 is a wasteful number, since it uses less digits than its factorization.

183828421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004.

The product of its digits is 24576, while the sum is 37.

The square root of 183828421 is about 13558.3340053268. The cubic root of 183828421 is about 568.5965482889.

The spelling of 183828421 in words is "one hundred eighty-three million, eight hundred twenty-eight thousand, four hundred twenty-one".