4085442 has 24 divisors (see below), whose sum is σ = 8895744. Its totient is φ = 1355064.

The previous prime is 4085413. The next prime is 4085447. The reversal of 4085442 is 2445804.

It is not an unprimeable number, because it can be changed into a prime (4085447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4303 + ... + 5165.

It is an arithmetic number, because the mean of its divisors is an integer number (370656).

Almost surely, 2^4085442 is an apocalyptic number.

4085442 is an abundant number, since it is smaller than the sum of its proper divisors (4810302).

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

4085442 is a wasteful number, since it uses less digits than its factorization.

4085442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 4085442 is about 2021.2476345070. The cubic root of 4085442 is about 159.8624077529.

The spelling of 4085442 in words is "four million, eighty-five thousand, four hundred forty-two".