16945242 has 8 divisors (see below), whose sum is σ = 33890496. Its totient is φ = 5648412.

The previous prime is 16945241. The next prime is 16945267. The reversal of 16945242 is 24254961.

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

16945242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (16945241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412098 + ... + 1412109.

It is an arithmetic number, because the mean of its divisors is an integer number (4236312).

Almost surely, 2^16945242 is an apocalyptic number.

16945242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16945242 is a wasteful number, since it uses less digits than its factorization.

16945242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824212.

The product of its digits is 17280, while the sum is 33.

The square root of 16945242 is about 4116.4598868445. The cubic root of 16945242 is about 256.8517871412.

The spelling of 16945242 in words is "sixteen million, nine hundred forty-five thousand, two hundred forty-two".