42343236 has 84 divisors (see below), whose sum is σ = 119753452. Its totient is φ = 13017024.

The previous prime is 42343199. The next prime is 42343291. The reversal of 42343236 is 63234324.

It is a happy number.

42343236 is a `hidden beast` number, since 423 + 4 + 3 + 236 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3779136 + 38564100 = 1944^2 + 6210^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

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

Its product of digits (10368) is a multiple of the sum of its prime factors (1152).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 37350 + ... + 38466.

Almost surely, 2^42343236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42343236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59876726).

42343236 is an abundant number, since it is smaller than the sum of its proper divisors (77410216).

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

42343236 is a wasteful number, since it uses less digits than its factorization.

42343236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152 (or 1135 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 42343236 is about 6507.1680476226. The cubic root of 42343236 is about 348.5469994461.

The spelling of 42343236 in words is "forty-two million, three hundred forty-three thousand, two hundred thirty-six".