6633140 has 24 divisors (see below), whose sum is σ = 14160552. Its totient is φ = 2609280.

The previous prime is 6633139. The next prime is 6633149. The reversal of 6633140 is 413366.

It can be written as a sum of positive squares in 4 ways, for example, as 17956 + 6615184 = 134^2 + 2572^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6633149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1499 + ... + 3938.

It is an arithmetic number, because the mean of its divisors is an integer number (590023).

Almost surely, 2^6633140 is an apocalyptic number.

It is an amenable number.

6633140 is an abundant number, since it is smaller than the sum of its proper divisors (7527412).

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

6633140 is a wasteful number, since it uses less digits than its factorization.

6633140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507 (or 5505 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 6633140 is about 2575.4883032155. The cubic root of 6633140 is about 187.8911774012.

It can be divided in two parts, 663 and 3140, that multiplied together give a triangular number (2081820 = T₂₀₄₀).

The spelling of 6633140 in words is "six million, six hundred thirty-three thousand, one hundred forty".