42309876 has 48 divisors (see below), whose sum is σ = 113886080. Its totient is φ = 11975040.

The previous prime is 42309871. The next prime is 42309877. The reversal of 42309876 is 67890324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42309871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6846 + ... + 11466.

Almost surely, 2^42309876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42309876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56943040).

42309876 is an abundant number, since it is smaller than the sum of its proper divisors (71576204).

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

42309876 is a wasteful number, since it uses less digits than its factorization.

42309876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4744 (or 4742 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 42309876 is about 6504.6042154769. The cubic root of 42309876 is about 348.4554414713.

The spelling of 42309876 in words is "forty-two million, three hundred nine thousand, eight hundred seventy-six".