3089646 has 72 divisors (see below), whose sum is σ = 8109504. Its totient is φ = 846720.

The previous prime is 3089641. The next prime is 3089657. The reversal of 3089646 is 6469803.

3089646 is a `hidden beast` number, since 3 + 0 + 8 + 9 + 646 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3089646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3089641) 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 35 ways as a sum of consecutive naturals, for example, 27286 + ... + 27398.

It is an arithmetic number, because the mean of its divisors is an integer number (112632).

Almost surely, 2^3089646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3089646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4054752).

3089646 is an abundant number, since it is smaller than the sum of its proper divisors (5019858).

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

3089646 is a wasteful number, since it uses less digits than its factorization.

3089646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 3089646 is about 1757.7388884587. The cubic root of 3089646 is about 145.6474574096.

It can be divided in two parts, 30 and 89646, that added together give a triangular number (89676 = T₄₂₃).

The spelling of 3089646 in words is "three million, eighty-nine thousand, six hundred forty-six".