16428942 has 24 divisors (see below), whose sum is σ = 36086544. Its totient is φ = 5400864.

The previous prime is 16428941. The next prime is 16428943. The reversal of 16428942 is 24982461.

16428942 is a `hidden beast` number, since 1 + 642 + 8 + 9 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (16428941) and next prime (16428943).

It is a junction number, because it is equal to n+sod(n) for n = 16428897 and 16428906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16428941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4938 + ... + 7565.

It is an arithmetic number, because the mean of its divisors is an integer number (1503606).

Almost surely, 2^16428942 is an apocalyptic number.

16428942 is an abundant number, since it is smaller than the sum of its proper divisors (19657602).

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

16428942 is a wasteful number, since it uses less digits than its factorization.

16428942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12584 (or 12581 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 16428942 is about 4053.2631298745. The cubic root of 16428942 is about 254.2161860456.

The spelling of 16428942 in words is "sixteen million, four hundred twenty-eight thousand, nine hundred forty-two".