16906442 has 8 divisors (see below), whose sum is σ = 28982496. Its totient is φ = 7245612.

The previous prime is 16906427. The next prime is 16906451. The reversal of 16906442 is 24460961.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 16906399 and 16906408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603788 + ... + 603815.

It is an arithmetic number, because the mean of its divisors is an integer number (3622812).

Almost surely, 2^16906442 is an apocalyptic number.

16906442 is a deficient number, since it is larger than the sum of its proper divisors (12076054).

16906442 is a wasteful number, since it uses less digits than its factorization.

16906442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207612.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 16906442 is about 4111.7443986707. The cubic root of 16906442 is about 256.6555970564.

The spelling of 16906442 in words is "sixteen million, nine hundred six thousand, four hundred forty-two".