4053861 has 32 divisors (see below), whose sum is σ = 6969600. Its totient is φ = 2280960.

The previous prime is 4053851. The next prime is 4053869. The reversal of 4053861 is 1683504.

It is not a de Polignac number, because 4053861 - 2⁹ = 4053349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

4053861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4053869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16701 + ... + 16941.

It is an arithmetic number, because the mean of its divisors is an integer number (217800).

Almost surely, 2^4053861 is an apocalyptic number.

It is an amenable number.

4053861 is a deficient number, since it is larger than the sum of its proper divisors (2915739).

4053861 is a wasteful number, since it uses less digits than its factorization.

4053861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 4053861 is about 2013.4202243943. The cubic root of 4053861 is about 159.4494226812.

The spelling of 4053861 in words is "four million, fifty-three thousand, eight hundred sixty-one".