42638324 has 12 divisors (see below), whose sum is σ = 74731104. Its totient is φ = 21286584.

The previous prime is 42638291. The next prime is 42638339. The reversal of 42638324 is 42383624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5072 + ... + 10535.

It is an arithmetic number, because the mean of its divisors is an integer number (6227592).

Almost surely, 2^42638324 is an apocalyptic number.

It is an amenable number.

42638324 is a deficient number, since it is larger than the sum of its proper divisors (32092780).

42638324 is a wasteful number, since it uses less digits than its factorization.

42638324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16294 (or 16292 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 42638324 is about 6529.8027535294. The cubic root of 42638324 is about 349.3547950058.

The spelling of 42638324 in words is "forty-two million, six hundred thirty-eight thousand, three hundred twenty-four".