3664992 has 24 divisors (see below), whose sum is σ = 9620856. Its totient is φ = 1221632.

The previous prime is 3664963. The next prime is 3665017. The reversal of 3664992 is 2994663.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3664992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18993 + ... + 19184.

It is an arithmetic number, because the mean of its divisors is an integer number (400869).

Almost surely, 2^3664992 is an apocalyptic number.

3664992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3664992 is an abundant number, since it is smaller than the sum of its proper divisors (5955864).

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

3664992 is a wasteful number, since it uses less digits than its factorization.

3664992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38190 (or 38182 counting only the distinct ones).

The product of its digits is 69984, while the sum is 39.

The square root of 3664992 is about 1914.4168824997. The cubic root of 3664992 is about 154.1786872861.

It can be divided in two parts, 3664 and 992, that added together give a triangular number (4656 = T₉₆).

The spelling of 3664992 in words is "three million, six hundred sixty-four thousand, nine hundred ninety-two".