42084850 has 12 divisors (see below), whose sum is σ = 78277914. Its totient is φ = 16833920.

The previous prime is 42084841. The next prime is 42084859. The reversal of 42084850 is 5848024.

It is an interprime number because it is at equal distance from previous prime (42084841) and next prime (42084859).

It can be written as a sum of positive squares in 3 ways, for example, as 34939921 + 7144929 = 5911^2 + 2673^2 .

It is a super-2 number, since 2×42084850² = 3542269199045000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42084859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 420799 + ... + 420898.

Almost surely, 2^42084850 is an apocalyptic number.

42084850 is a deficient number, since it is larger than the sum of its proper divisors (36193064).

42084850 is a wasteful number, since it uses less digits than its factorization.

42084850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841709 (or 841704 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 42084850 is about 6487.2837150845. The cubic root of 42084850 is about 347.8365870811.

The spelling of 42084850 in words is "forty-two million, eighty-four thousand, eight hundred fifty".