17420046 has 16 divisors (see below), whose sum is σ = 39817344. Its totient is φ = 4977144.

The previous prime is 17420021. The next prime is 17420057. The reversal of 17420046 is 64002471.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 17419998 and 17420025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207340 + ... + 207423.

It is an arithmetic number, because the mean of its divisors is an integer number (2488584).

Almost surely, 2^17420046 is an apocalyptic number.

17420046 is an abundant number, since it is smaller than the sum of its proper divisors (22397298).

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

17420046 is a wasteful number, since it uses less digits than its factorization.

17420046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414775.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 17420046 is about 4173.7328616000. The cubic root of 17420046 is about 259.2287102876.

The spelling of 17420046 in words is "seventeen million, four hundred twenty thousand, forty-six".