16428042 has 16 divisors (see below), whose sum is σ = 36506880. Its totient is φ = 5475996.

The previous prime is 16428029. The next prime is 16428059. The reversal of 16428042 is 24082461.

16428042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 16427997 and 16428015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152058 + ... + 152165.

It is an arithmetic number, because the mean of its divisors is an integer number (2281680).

Almost surely, 2^16428042 is an apocalyptic number.

16428042 is an abundant number, since it is smaller than the sum of its proper divisors (20078838).

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

16428042 is a wasteful number, since it uses less digits than its factorization.

16428042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304234 (or 304228 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 16428042 is about 4053.1521066942. The cubic root of 16428042 is about 254.2115438569.

The spelling of 16428042 in words is "sixteen million, four hundred twenty-eight thousand, forty-two".