3646992 has 20 divisors (see below), whose sum is σ = 9421520. Its totient is φ = 1215648.

The previous prime is 3646963. The next prime is 3646997. The reversal of 3646992 is 2996463.

It is a happy number.

3646992 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3646992.

It is not an unprimeable number, because it can be changed into a prime (3646997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37942 + ... + 38037.

It is an arithmetic number, because the mean of its divisors is an integer number (471076).

Almost surely, 2^3646992 is an apocalyptic number.

It is an amenable number.

3646992 is an abundant number, since it is smaller than the sum of its proper divisors (5774528).

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

3646992 is a wasteful number, since it uses less digits than its factorization.

3646992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75990 (or 75984 counting only the distinct ones).

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

The square root of 3646992 is about 1909.7099256170. The cubic root of 3646992 is about 153.9258652566.

The spelling of 3646992 in words is "three million, six hundred forty-six thousand, nine hundred ninety-two".