4181004 has 24 divisors (see below), whose sum is σ = 10839920. Its totient is φ = 1393632.

The previous prime is 4180987. The next prime is 4181041. The reversal of 4181004 is 4001814.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

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, 19249 + ... + 19464.

Almost surely, 2^4181004 is an apocalyptic number.

It is an amenable number.

4181004 is an abundant number, since it is smaller than the sum of its proper divisors (6658916).

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

4181004 is a wasteful number, since it uses less digits than its factorization.

4181004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38726 (or 38718 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 4181004 is about 2044.7503515099. The cubic root of 4181004 is about 161.0992533837.

Adding to 4181004 its reverse (4001814), we get a palindrome (8182818).

The spelling of 4181004 in words is "four million, one hundred eighty-one thousand, four".