42435386 has 16 divisors (see below), whose sum is σ = 72934080. Its totient is φ = 18139680.

The previous prime is 42435361. The next prime is 42435389. The reversal of 42435386 is 68353424.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (42435389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2021 + ... + 9431.

It is an arithmetic number, because the mean of its divisors is an integer number (4558380).

Almost surely, 2^42435386 is an apocalyptic number.

42435386 is a deficient number, since it is larger than the sum of its proper divisors (30498694).

42435386 is a wasteful number, since it uses less digits than its factorization.

42435386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7829.

The product of its digits is 69120, while the sum is 35.

The square root of 42435386 is about 6514.2448526287. The cubic root of 42435386 is about 348.7996595138.

The spelling of 42435386 in words is "forty-two million, four hundred thirty-five thousand, three hundred eighty-six".