4170442 has 4 divisors (see below), whose sum is σ = 6255666. Its totient is φ = 2085220.

The previous prime is 4170433. The next prime is 4170473. The reversal of 4170442 is 2440714.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4165681 + 4761 = 2041^2 + 69^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042609 + ... + 1042612.

Almost surely, 2^4170442 is an apocalyptic number.

4170442 is a deficient number, since it is larger than the sum of its proper divisors (2085224).

4170442 is a wasteful number, since it uses less digits than its factorization.

4170442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085223.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 4170442 is about 2042.1660069642. The cubic root of 4170442 is about 160.9634833531.

The spelling of 4170442 in words is "four million, one hundred seventy thousand, four hundred forty-two".