4051864 has 48 divisors (see below), whose sum is σ = 8503920. Its totient is φ = 1805760.

The previous prime is 4051843. The next prime is 4051867. The reversal of 4051864 is 4681504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4051867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66394 + ... + 66454.

It is an arithmetic number, because the mean of its divisors is an integer number (177165).

Almost surely, 2^4051864 is an apocalyptic number.

It is an amenable number.

4051864 is an abundant number, since it is smaller than the sum of its proper divisors (4452056).

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

4051864 is a wasteful number, since it uses less digits than its factorization.

4051864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 4051864 is about 2012.9242409987. The cubic root of 4051864 is about 159.4232358930.

The spelling of 4051864 in words is "four million, fifty-one thousand, eight hundred sixty-four".