218496342 has 16 divisors (see below), whose sum is σ = 462698352. Its totient is φ = 68547840.

The previous prime is 218496337. The next prime is 218496347. The reversal of 218496342 is 243694812.

It is an interprime number because it is at equal distance from previous prime (218496337) and next prime (218496347).

It is a self number, because there is not a number n which added to its sum of digits gives 218496342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218496347) 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, 1070959 + ... + 1071162.

It is an arithmetic number, because the mean of its divisors is an integer number (28918647).

Almost surely, 2^218496342 is an apocalyptic number.

218496342 is an abundant number, since it is smaller than the sum of its proper divisors (244202010).

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

218496342 is a wasteful number, since it uses less digits than its factorization.

218496342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142143.

The product of its digits is 82944, while the sum is 39.

The square root of 218496342 is about 14781.6217648809. The cubic root of 218496342 is about 602.3025800162.

The spelling of 218496342 in words is "two hundred eighteen million, four hundred ninety-six thousand, three hundred forty-two".