42635384 has 16 divisors (see below), whose sum is σ = 87208920. Its totient is φ = 19379680.

The previous prime is 42635381. The next prime is 42635393. The reversal of 42635384 is 48353624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42635381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242159 + ... + 242334.

Almost surely, 2^42635384 is an apocalyptic number.

42635384 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42635384 is an abundant number, since it is smaller than the sum of its proper divisors (44573536).

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

42635384 is a wasteful number, since it uses less digits than its factorization.

42635384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484510 (or 484506 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 42635384 is about 6529.5776279940. The cubic root of 42635384 is about 349.3467652444.

The spelling of 42635384 in words is "forty-two million, six hundred thirty-five thousand, three hundred eighty-four".