4040860 has 24 divisors (see below), whose sum is σ = 8779680. Its totient is φ = 1560384.

The previous prime is 4040833. The next prime is 4040873. The reversal of 4040860 is 680404.

It is an Ulam number.

It is a congruent number.

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, 2904 + ... + 4063.

It is an arithmetic number, because the mean of its divisors is an integer number (365820).

Almost surely, 2^4040860 is an apocalyptic number.

It is an amenable number.

4040860 is an abundant number, since it is smaller than the sum of its proper divisors (4738820).

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

4040860 is a wasteful number, since it uses less digits than its factorization.

4040860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7005 (or 7003 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4040860 is about 2010.1890458362. The cubic root of 4040860 is about 159.2787851921.

It can be divided in two parts, 4040 and 860, that added together give a square (4900 = 70²).

The spelling of 4040860 in words is "four million, forty thousand, eight hundred sixty".