16402242 has 8 divisors (see below), whose sum is σ = 32804496. Its totient is φ = 5467412.

The previous prime is 16402237. The next prime is 16402247. The reversal of 16402242 is 24220461.

16402242 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16402237) and next prime (16402247).

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

16402242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (16402247) 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, 1366848 + ... + 1366859.

It is an arithmetic number, because the mean of its divisors is an integer number (4100562).

Almost surely, 2^16402242 is an apocalyptic number.

16402242 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.

16402242 is a wasteful number, since it uses less digits than its factorization.

16402242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733712.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 16402242 is about 4049.9681480229. The cubic root of 16402242 is about 254.0783956247.

The spelling of 16402242 in words is "sixteen million, four hundred two thousand, two hundred forty-two".