42986934 has 12 divisors (see below), whose sum is σ = 93138396. Its totient is φ = 14328972.

The previous prime is 42986921. The next prime is 42986953. The reversal of 42986934 is 43968924.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42986934.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1194064 + ... + 1194099.

It is an arithmetic number, because the mean of its divisors is an integer number (7761533).

Almost surely, 2^42986934 is an apocalyptic number.

42986934 is an abundant number, since it is smaller than the sum of its proper divisors (50151462).

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

42986934 is a wasteful number, since it uses less digits than its factorization.

42986934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388171 (or 2388168 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 42986934 is about 6556.4421754485. The cubic root of 42986934 is about 350.3043176385.

The spelling of 42986934 in words is "forty-two million, nine hundred eighty-six thousand, nine hundred thirty-four".