17942085 has 72 divisors (see below), whose sum is σ = 36990720. Its totient is φ = 8019648.

The previous prime is 17942083. The next prime is 17942101. The reversal of 17942085 is 58024971.

It is not a de Polignac number, because 17942085 - 2¹ = 17942083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17942083) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 174144 + ... + 174246.

It is an arithmetic number, because the mean of its divisors is an integer number (513760).

Almost surely, 2^17942085 is an apocalyptic number.

17942085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

17942085 is an abundant number, since it is smaller than the sum of its proper divisors (19048635).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17942085 is a wasteful number, since it uses less digits than its factorization.

17942085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 17942085 is about 4235.8098399244. The cubic root of 17942085 is about 261.7927629139.

The spelling of 17942085 in words is "seventeen million, nine hundred forty-two thousand, eighty-five".