4081642 has 8 divisors (see below), whose sum is σ = 6148800. Its totient is φ = 2032044.

The previous prime is 4081613. The next prime is 4081657. The reversal of 4081642 is 2461804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3792 + ... + 4747.

It is an arithmetic number, because the mean of its divisors is an integer number (768600).

Almost surely, 2^4081642 is an apocalyptic number.

4081642 is a deficient number, since it is larger than the sum of its proper divisors (2067158).

4081642 is a wasteful number, since it uses less digits than its factorization.

4081642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8780.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 4081642 is about 2020.3074023524. The cubic root of 4081642 is about 159.8128280019.

The spelling of 4081642 in words is "four million, eighty-one thousand, six hundred forty-two".