4057818 has 16 divisors (see below), whose sum is σ = 8143200. Its totient is φ = 1348016.

The previous prime is 4057813. The next prime is 4057829. The reversal of 4057818 is 8187504.

It is a happy number.

It is a super-2 number, since 2×4057818² = 32931773842248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4057813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108 + ... + 3056.

It is an arithmetic number, because the mean of its divisors is an integer number (508950).

Almost surely, 2^4057818 is an apocalyptic number.

4057818 is an abundant number, since it is smaller than the sum of its proper divisors (4085382).

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

4057818 is a wasteful number, since it uses less digits than its factorization.

4057818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 4057818 is about 2014.4026409832. The cubic root of 4057818 is about 159.5012856819.

The spelling of 4057818 in words is "four million, fifty-seven thousand, eight hundred eighteen".