5498640 has 120 divisors (see below), whose sum is σ = 21123648. Its totient is φ = 1255680.

The previous prime is 5498627. The next prime is 5498641. The reversal of 5498640 is 468945.

5498640 is a `hidden beast` number, since 5 + 4 + 9 + 8 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5498595 and 5498604.

It is not an unprimeable number, because it can be changed into a prime (5498641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4495 + ... + 5585.

Almost surely, 2^5498640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5498640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10561824).

5498640 is an abundant number, since it is smaller than the sum of its proper divisors (15625008).

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

5498640 is a wasteful number, since it uses less digits than its factorization.

5498640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 5498640 is about 2344.9179090109. The cubic root of 5498640 is about 176.5028662526.

The spelling of 5498640 in words is "five million, four hundred ninety-eight thousand, six hundred forty".