17000442 has 40 divisors (see below), whose sum is σ = 40340916. Its totient is φ = 5332608.

The previous prime is 17000441. The next prime is 17000443. The reversal of 17000442 is 24400071.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (17000441) and next prime (17000443).

It can be written as a sum of positive squares in 2 ways, for example, as 16329681 + 670761 = 4041^2 + 819^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (17000441) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 333 + ... + 5840.

Almost surely, 2^17000442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17000442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20170458).

17000442 is an abundant number, since it is smaller than the sum of its proper divisors (23340474).

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

17000442 is a wasteful number, since it uses less digits than its factorization.

17000442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6204 (or 6195 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 17000442 is about 4123.1592256424. The cubic root of 17000442 is about 257.1303874906.

The spelling of 17000442 in words is "seventeen million, four hundred forty-two", and thus it is an aban number.