3664340 has 24 divisors (see below), whose sum is σ = 8100960. Its totient is φ = 1388448.

The previous prime is 3664327. The next prime is 3664343. The reversal of 3664340 is 434663.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4442 + ... + 5201.

It is an arithmetic number, because the mean of its divisors is an integer number (337540).

Almost surely, 2^3664340 is an apocalyptic number.

It is an amenable number.

3664340 is an abundant number, since it is smaller than the sum of its proper divisors (4436620).

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

3664340 is a wasteful number, since it uses less digits than its factorization.

3664340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9671 (or 9669 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 3664340 is about 1914.2465880863. The cubic root of 3664340 is about 154.1695439768.

It can be divided in two parts, 3664 and 340, that added together give a palindrome (4004).

The spelling of 3664340 in words is "three million, six hundred sixty-four thousand, three hundred forty".