42500986 has 32 divisors (see below), whose sum is σ = 77526720. Its totient is φ = 17222400.

The previous prime is 42500963. The next prime is 42500989. The reversal of 42500986 is 68900524.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (42500989) 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 15 ways as a sum of consecutive naturals, for example, 4116 + ... + 10096.

It is an arithmetic number, because the mean of its divisors is an integer number (2422710).

Almost surely, 2^42500986 is an apocalyptic number.

42500986 is a deficient number, since it is larger than the sum of its proper divisors (35025734).

42500986 is a wasteful number, since it uses less digits than its factorization.

42500986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6030.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 42500986 is about 6519.2780275119. The cubic root of 42500986 is about 348.9793010770.

The spelling of 42500986 in words is "forty-two million, five hundred thousand, nine hundred eighty-six".