17490138 has 16 divisors (see below), whose sum is σ = 36109056. Its totient is φ = 5641920.

The previous prime is 17490133. The next prime is 17490139. The reversal of 17490138 is 83109471.

It is a Curzon number.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 17490099 and 17490108.

It is not an unprimeable number, because it can be changed into a prime (17490131) by changing a digit.

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, 46831 + ... + 47202.

It is an arithmetic number, because the mean of its divisors is an integer number (2256816).

Almost surely, 2^17490138 is an apocalyptic number.

17490138 is an abundant number, since it is smaller than the sum of its proper divisors (18618918).

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

17490138 is a wasteful number, since it uses less digits than its factorization.

17490138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94069.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 17490138 is about 4182.1212321022. The cubic root of 17490138 is about 259.5759260457.

The spelling of 17490138 in words is "seventeen million, four hundred ninety thousand, one hundred thirty-eight".