3664188 has 72 divisors (see below), whose sum is σ = 10657920. Its totient is φ = 1049760.

The previous prime is 3664183. The next prime is 3664189. The reversal of 3664188 is 8814663.

It is a happy number.

3664188 is a `hidden beast` number, since 3 + 6 + 641 + 8 + 8 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7281 + ... + 7767.

Almost surely, 2^3664188 is an apocalyptic number.

3664188 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3664188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5328960).

3664188 is an abundant number, since it is smaller than the sum of its proper divisors (6993732).

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

3664188 is a wasteful number, since it uses less digits than its factorization.

3664188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 522 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 3664188 is about 1914.2068853705. The cubic root of 3664188 is about 154.1674122519.

It can be divided in two parts, 366 and 4188, that added together give a palindrome (4554).

The spelling of 3664188 in words is "three million, six hundred sixty-four thousand, one hundred eighty-eight".