42086616 has 64 divisors (see below), whose sum is σ = 123621120. Its totient is φ = 11771520.

The previous prime is 42086609. The next prime is 42086621. The reversal of 42086616 is 61668024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2700 + ... + 9563.

It is an arithmetic number, because the mean of its divisors is an integer number (1931580).

Almost surely, 2^42086616 is an apocalyptic number.

It is an amenable number.

42086616 is an abundant number, since it is smaller than the sum of its proper divisors (81534504).

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

42086616 is a wasteful number, since it uses less digits than its factorization.

42086616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12296 (or 12292 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 42086616 is about 6487.4198260942. The cubic root of 42086616 is about 347.8414524172.

The spelling of 42086616 in words is "forty-two million, eighty-six thousand, six hundred sixteen".