4003662 has 16 divisors (see below), whose sum is σ = 8623440. Its totient is φ = 1231872.

The previous prime is 4003579. The next prime is 4003663. The reversal of 4003662 is 2663004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4003663) 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 7 ways as a sum of consecutive naturals, for example, 25587 + ... + 25742.

It is an arithmetic number, because the mean of its divisors is an integer number (538965).

Almost surely, 2^4003662 is an apocalyptic number.

4003662 is an abundant number, since it is smaller than the sum of its proper divisors (4619778).

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

4003662 is a wasteful number, since it uses less digits than its factorization.

4003662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51347.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 4003662 is about 2000.9152905608. The cubic root of 4003662 is about 158.7885326102.

Adding to 4003662 its reverse (2663004), we get a palindrome (6666666).

The spelling of 4003662 in words is "four million, three thousand, six hundred sixty-two".