42396085 has 4 divisors (see below), whose sum is σ = 50875308. Its totient is φ = 33916864.

The previous prime is 42396083. The next prime is 42396089. The reversal of 42396085 is 58069324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23097636 + 19298449 = 4806^2 + 4393^2 .

It is a cyclic number.

It is not a de Polignac number, because 42396085 - 2¹ = 42396083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42396083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4239604 + ... + 4239613.

It is an arithmetic number, because the mean of its divisors is an integer number (12718827).

Almost surely, 2^42396085 is an apocalyptic number.

It is an amenable number.

42396085 is a deficient number, since it is larger than the sum of its proper divisors (8479223).

42396085 is an equidigital number, since it uses as much as digits as its factorization.

42396085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8479222.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 42396085 is about 6511.2276108273. The cubic root of 42396085 is about 348.6919474463.

The spelling of 42396085 in words is "forty-two million, three hundred ninety-six thousand, eighty-five".