42436384 has 12 divisors (see below), whose sum is σ = 83546694. Its totient is φ = 21218176.

The previous prime is 42436343. The next prime is 42436397. The reversal of 42436384 is 48363424.

It can be written as a sum of positive squares in only one way, i.e., 33315984 + 9120400 = 5772^2 + 3020^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663037 + ... + 663100.

Almost surely, 2^42436384 is an apocalyptic number.

It is an amenable number.

42436384 is a deficient number, since it is larger than the sum of its proper divisors (41110310).

42436384 is a wasteful number, since it uses less digits than its factorization.

42436384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326147 (or 1326139 counting only the distinct ones).

The product of its digits is 55296, while the sum is 34.

The square root of 42436384 is about 6514.3214535360. The cubic root of 42436384 is about 348.8023938618.

The spelling of 42436384 in words is "forty-two million, four hundred thirty-six thousand, three hundred eighty-four".