16430992 has 40 divisors (see below), whose sum is σ = 33228032. Its totient is φ = 7862400.

The previous prime is 16430989. The next prime is 16431017. The reversal of 16430992 is 29903461.

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, 77767 + ... + 77977.

Almost surely, 2^16430992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16430992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16614016).

16430992 is an abundant number, since it is smaller than the sum of its proper divisors (16797040).

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

16430992 is a wasteful number, since it uses less digits than its factorization.

16430992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 16430992 is about 4053.5160046557. The cubic root of 16430992 is about 254.2267592870.

The spelling of 16430992 in words is "sixteen million, four hundred thirty thousand, nine hundred ninety-two".