5646740 has 24 divisors (see below), whose sum is σ = 12936672. Its totient is φ = 2053280.

The previous prime is 5646691. The next prime is 5646749. The reversal of 5646740 is 476465.

It is a junction number, because it is equal to n+sod(n) for n = 5646697 and 5646706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5646749) 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, 12614 + ... + 13053.

It is an arithmetic number, because the mean of its divisors is an integer number (539028).

Almost surely, 2^5646740 is an apocalyptic number.

It is an amenable number.

5646740 is an abundant number, since it is smaller than the sum of its proper divisors (7289932).

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

5646740 is a wasteful number, since it uses less digits than its factorization.

5646740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25687 (or 25685 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 5646740 is about 2376.2870197011. The cubic root of 5646740 is about 178.0734873101.

The spelling of 5646740 in words is "five million, six hundred forty-six thousand, seven hundred forty".