4051872 has 72 divisors (see below), whose sum is σ = 12579840. Its totient is φ = 1226880.

The previous prime is 4051867. The next prime is 4051877. The reversal of 4051872 is 2781504.

It is an interprime number because it is at equal distance from previous prime (4051867) and next prime (4051877).

It is a tau number, because it is divible by the number of its divisors (72).

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (4051877) 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, 2529 + ... + 3807.

It is an arithmetic number, because the mean of its divisors is an integer number (174720).

Almost surely, 2^4051872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4051872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6289920).

4051872 is an abundant number, since it is smaller than the sum of its proper divisors (8527968).

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

4051872 is a wasteful number, since it uses less digits than its factorization.

4051872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1295 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 4051872 is about 2012.9262281564. The cubic root of 4051872 is about 159.4233408147.

The spelling of 4051872 in words is "four million, fifty-one thousand, eight hundred seventy-two".