42328216 has 16 divisors (see below), whose sum is σ = 90703440. Its totient is φ = 18140640.

The previous prime is 42328213. The next prime is 42328243. The reversal of 42328216 is 61282324.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42328213) 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, 377875 + ... + 377986.

It is an arithmetic number, because the mean of its divisors is an integer number (5668965).

Almost surely, 2^42328216 is an apocalyptic number.

It is an amenable number.

42328216 is an abundant number, since it is smaller than the sum of its proper divisors (48375224).

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

42328216 is a wasteful number, since it uses less digits than its factorization.

42328216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755874 (or 755870 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 42328216 is about 6506.0138333699. The cubic root of 42328216 is about 348.5057823549.

The spelling of 42328216 in words is "forty-two million, three hundred twenty-eight thousand, two hundred sixteen".