4031864 has 8 divisors (see below), whose sum is σ = 7559760. Its totient is φ = 2015928.

The previous prime is 4031861. The next prime is 4031879. The reversal of 4031864 is 4681304.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251984 + ... + 251999.

It is an arithmetic number, because the mean of its divisors is an integer number (944970).

Almost surely, 2^4031864 is an apocalyptic number.

It is an amenable number.

4031864 is a deficient number, since it is larger than the sum of its proper divisors (3527896).

4031864 is a wasteful number, since it uses less digits than its factorization.

4031864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503989 (or 503985 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 4031864 is about 2007.9501985856. The cubic root of 4031864 is about 159.1604987727.

The spelling of 4031864 in words is "four million, thirty-one thousand, eight hundred sixty-four".