42006486 has 16 divisors (see below), whose sum is σ = 84174768. Its totient is φ = 13975200.

The previous prime is 42006469. The next prime is 42006493. The reversal of 42006486 is 68460024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3225 + ... + 9716.

It is an arithmetic number, because the mean of its divisors is an integer number (5260923).

Almost surely, 2^42006486 is an apocalyptic number.

42006486 is an abundant number, since it is smaller than the sum of its proper divisors (42168282).

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

42006486 is a wasteful number, since it uses less digits than its factorization.

42006486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13487.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 42006486 is about 6481.2410848540. The cubic root of 42006486 is about 347.6205568286.

The spelling of 42006486 in words is "forty-two million, six thousand, four hundred eighty-six".