4081672 has 32 divisors (see below), whose sum is σ = 9129600. Its totient is φ = 1672704.

The previous prime is 4081669. The next prime is 4081703. The reversal of 4081672 is 2761804.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 4081672.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297 + ... + 2872.

It is an arithmetic number, because the mean of its divisors is an integer number (285300).

Almost surely, 2^4081672 is an apocalyptic number.

It is an amenable number.

4081672 is an abundant number, since it is smaller than the sum of its proper divisors (5047928).

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

4081672 is a wasteful number, since it uses less digits than its factorization.

4081672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205 (or 3201 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 4081672 is about 2020.3148269515. The cubic root of 4081672 is about 159.8132195415.

It can be divided in two parts, 4081 and 672, that added together give a triangular number (4753 = T₉₇).

The spelling of 4081672 in words is "four million, eighty-one thousand, six hundred seventy-two".