4001862 has 32 divisors (see below), whose sum is σ = 8543232. Its totient is φ = 1246784.

The previous prime is 4001849. The next prime is 4001863. The reversal of 4001862 is 2681004.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6178 + ... + 6794.

It is an arithmetic number, because the mean of its divisors is an integer number (266976).

Almost surely, 2^4001862 is an apocalyptic number.

4001862 is an abundant number, since it is smaller than the sum of its proper divisors (4541370).

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

4001862 is a wasteful number, since it uses less digits than its factorization.

4001862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 4001862 is about 2000.4654458400. The cubic root of 4001862 is about 158.7647325489.

Adding to 4001862 its reverse (2681004), we get a palindrome (6682866).

The spelling of 4001862 in words is "four million, one thousand, eight hundred sixty-two".