5646540 has 24 divisors (see below), whose sum is σ = 15810480. Its totient is φ = 1505728.

The previous prime is 5646539. The next prime is 5646541. The reversal of 5646540 is 456465.

It is an interprime number because it is at equal distance from previous prime (5646539) and next prime (5646541).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 5646498 and 5646507.

It is not an unprimeable number, because it can be changed into a prime (5646541) 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, 46995 + ... + 47114.

It is an arithmetic number, because the mean of its divisors is an integer number (658770).

Almost surely, 2^5646540 is an apocalyptic number.

It is an amenable number.

5646540 is an abundant number, since it is smaller than the sum of its proper divisors (10163940).

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

5646540 is a wasteful number, since it uses less digits than its factorization.

5646540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94121 (or 94119 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 5646540 is about 2376.2449368699. The cubic root of 5646540 is about 178.0713849101.

The spelling of 5646540 in words is "five million, six hundred forty-six thousand, five hundred forty".