5646630 has 64 divisors (see below), whose sum is σ = 15054336. Its totient is φ = 1344000.

The previous prime is 5646617. The next prime is 5646637. The reversal of 5646630 is 366465.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5646637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23310 + ... + 23550.

It is an arithmetic number, because the mean of its divisors is an integer number (235224).

Almost surely, 2^5646630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5646630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7527168).

5646630 is an abundant number, since it is smaller than the sum of its proper divisors (9407706).

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

5646630 is a wasteful number, since it uses less digits than its factorization.

5646630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 5646630 is about 2376.2638742362. The cubic root of 5646630 is about 178.0723309962.

The spelling of 5646630 in words is "five million, six hundred forty-six thousand, six hundred thirty".