42239196 has 36 divisors (see below), whose sum is σ = 110455800. Its totient is φ = 13593888.

The previous prime is 42239191. The next prime is 42239207. The reversal of 42239196 is 69193224.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 42239196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42239191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19186 + ... + 21273.

Almost surely, 2^42239196 is an apocalyptic number.

It is an amenable number.

42239196 is an abundant number, since it is smaller than the sum of its proper divisors (68216604).

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

42239196 is a wasteful number, since it uses less digits than its factorization.

42239196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40498 (or 40493 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 42239196 is about 6499.1688699402. The cubic root of 42239196 is about 348.2612980065.

The spelling of 42239196 in words is "forty-two million, two hundred thirty-nine thousand, one hundred ninety-six".