42338656 has 24 divisors (see below), whose sum is σ = 85609440. Its totient is φ = 20596608.

The previous prime is 42338641. The next prime is 42338683. The reversal of 42338656 is 65683324.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 16696 + ... + 19063.

It is an arithmetic number, because the mean of its divisors is an integer number (3567060).

Almost surely, 2^42338656 is an apocalyptic number.

It is an amenable number.

42338656 is an abundant number, since it is smaller than the sum of its proper divisors (43270784).

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

42338656 is a wasteful number, since it uses less digits than its factorization.

42338656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35806 (or 35798 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 42338656 is about 6506.8161185022. The cubic root of 42338656 is about 348.5344322849.

The spelling of 42338656 in words is "forty-two million, three hundred thirty-eight thousand, six hundred fifty-six".