6653946 has 32 divisors (see below), whose sum is σ = 14958720. Its totient is φ = 1957824.

The previous prime is 6653939. The next prime is 6653957. The reversal of 6653946 is 6493566.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61 + ... + 3648.

It is an arithmetic number, because the mean of its divisors is an integer number (467460).

Almost surely, 2^6653946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6653946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7479360).

6653946 is an abundant number, since it is smaller than the sum of its proper divisors (8304774).

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

6653946 is a wasteful number, since it uses less digits than its factorization.

6653946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750.

The product of its digits is 116640, while the sum is 39.

The square root of 6653946 is about 2579.5243747637. The cubic root of 6653946 is about 188.0874235019.

The spelling of 6653946 in words is "six million, six hundred fifty-three thousand, nine hundred forty-six".