90342085 has 8 divisors (see below), whose sum is σ = 109264896. Its totient is φ = 71704080.

The previous prime is 90342073. The next prime is 90342107. The reversal of 90342085 is 58024309.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90342085 - 2⁷ = 90341957 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 70501 + ... + 71770.

It is an arithmetic number, because the mean of its divisors is an integer number (13658112).

Almost surely, 2^90342085 is an apocalyptic number.

It is an amenable number.

90342085 is a deficient number, since it is larger than the sum of its proper divisors (18922811).

90342085 is a wasteful number, since it uses less digits than its factorization.

90342085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142403.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 90342085 is about 9504.8453432973. The cubic root of 90342085 is about 448.7075424795.

The spelling of 90342085 in words is "ninety million, three hundred forty-two thousand, eighty-five".