4080642 has 8 divisors (see below), whose sum is σ = 8161296. Its totient is φ = 1360212.

The previous prime is 4080613. The next prime is 4080647. The reversal of 4080642 is 2460804.

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

4080642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (4080647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340048 + ... + 340059.

It is an arithmetic number, because the mean of its divisors is an integer number (1020162).

Almost surely, 2^4080642 is an apocalyptic number.

4080642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4080642 is a wasteful number, since it uses less digits than its factorization.

4080642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680112.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 4080642 is about 2020.0599001020. The cubic root of 4080642 is about 159.7997755848.

The spelling of 4080642 in words is "four million, eighty thousand, six hundred forty-two".