42602986 has 16 divisors (see below), whose sum is σ = 67784904. Its totient is φ = 20012544.

The previous prime is 42602953. The next prime is 42602993. The reversal of 42602986 is 68920624.

It can be written as a sum of positive squares in 4 ways, for example, as 40259025 + 2343961 = 6345^2 + 1531^2 .

It is a super-2 number, since 2×42602986² = 3630028832232392, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 34516 + ... + 35728.

Almost surely, 2^42602986 is an apocalyptic number.

42602986 is a deficient number, since it is larger than the sum of its proper divisors (25181918).

42602986 is a wasteful number, since it uses less digits than its factorization.

42602986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 42602986 is about 6527.0962916139. The cubic root of 42602986 is about 349.2582550018.

The spelling of 42602986 in words is "forty-two million, six hundred two thousand, nine hundred eighty-six".