3626646 has 8 divisors (see below), whose sum is σ = 7253304. Its totient is φ = 1208880.

The previous prime is 3626641. The next prime is 3626657. The reversal of 3626646 is 6466263.

It is a sphenic number, since it is the product of 3 distinct primes.

3626646 is an admirable number.

It is a super-2 number, since 2×3626646² = 26305122418632, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3626641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302215 + ... + 302226.

It is an arithmetic number, because the mean of its divisors is an integer number (906663).

Almost surely, 2^3626646 is an apocalyptic number.

3626646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3626646 is a wasteful number, since it uses less digits than its factorization.

3626646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604446.

The product of its digits is 31104, while the sum is 33.

The square root of 3626646 is about 1904.3754881850. The cubic root of 3626646 is about 153.6390884947.

The spelling of 3626646 in words is "three million, six hundred twenty-six thousand, six hundred forty-six".