6181604 has 48 divisors (see below), whose sum is σ = 12954816. Its totient is φ = 2544000.

The previous prime is 6181601. The next prime is 6181613. The reversal of 6181604 is 4061816.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (6181601) 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, 57719 + ... + 57825.

It is an arithmetic number, because the mean of its divisors is an integer number (269892).

Almost surely, 2^6181604 is an apocalyptic number.

It is an amenable number.

6181604 is an abundant number, since it is smaller than the sum of its proper divisors (6773212).

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

6181604 is a wasteful number, since it uses less digits than its factorization.

6181604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 6181604 is about 2486.2831697134. The cubic root of 6181604 is about 183.5271808217.

It can be divided in two parts, 618 and 1604, that added together give a palindrome (2222).

The spelling of 6181604 in words is "six million, one hundred eighty-one thousand, six hundred four".