3664860 has 48 divisors (see below), whose sum is σ = 10868256. Its totient is φ = 919552.

The previous prime is 3664841. The next prime is 3664861. The reversal of 3664860 is 684663.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664861) 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, 777 + ... + 2816.

It is an arithmetic number, because the mean of its divisors is an integer number (226422).

Almost surely, 2^3664860 is an apocalyptic number.

3664860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3664860 is an abundant number, since it is smaller than the sum of its proper divisors (7203396).

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

3664860 is a wasteful number, since it uses less digits than its factorization.

3664860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622 (or 3620 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 3664860 is about 1914.3824069396. The cubic root of 3664860 is about 154.1768362742.

The spelling of 3664860 in words is "three million, six hundred sixty-four thousand, eight hundred sixty".