5663900 has 72 divisors (see below), whose sum is σ = 14165760. Its totient is φ = 1944000.

The previous prime is 5663897. The next prime is 5663909. The reversal of 5663900 is 93665.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5663909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20765 + ... + 21035.

Almost surely, 2^5663900 is an apocalyptic number.

5663900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5663900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7082880).

5663900 is an abundant number, since it is smaller than the sum of its proper divisors (8501860).

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

5663900 is a wasteful number, since it uses less digits than its factorization.

5663900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 5663900 is about 2379.8949556651. The cubic root of 5663900 is about 178.2536886812.

The spelling of 5663900 in words is "five million, six hundred sixty-three thousand, nine hundred".