216436342 has 16 divisors (see below), whose sum is σ = 327462912. Its totient is φ = 107285800.

The previous prime is 216436307. The next prime is 216436343. The reversal of 216436342 is 243634612.

216436342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216436343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187467 + ... + 188617.

It is an arithmetic number, because the mean of its divisors is an integer number (20466432).

Almost surely, 2^216436342 is an apocalyptic number.

216436342 is a deficient number, since it is larger than the sum of its proper divisors (111026570).

216436342 is a wasteful number, since it uses less digits than its factorization.

216436342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883.

The product of its digits is 20736, while the sum is 31.

The square root of 216436342 is about 14711.7756236288. The cubic root of 216436342 is about 600.4037486212.

The spelling of 216436342 in words is "two hundred sixteen million, four hundred thirty-six thousand, three hundred forty-two".