4988645 has 8 divisors (see below), whose sum is σ = 6125856. Its totient is φ = 3897936.

The previous prime is 4988591. The next prime is 4988651. The reversal of 4988645 is 5468894.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4988645 - 2²² = 794341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4988596 and 4988605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11387 + ... + 11816.

It is an arithmetic number, because the mean of its divisors is an integer number (765732).

Almost surely, 2^4988645 is an apocalyptic number.

It is an amenable number.

4988645 is a deficient number, since it is larger than the sum of its proper divisors (1137211).

4988645 is a wasteful number, since it uses less digits than its factorization.

4988645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23251.

The product of its digits is 276480, while the sum is 44.

The square root of 4988645 is about 2233.5274791235. The cubic root of 4988645 is about 170.8680513747.

Subtracting 4988645 from its reverse (5468894), we obtain a square (480249 = 693²).

The spelling of 4988645 in words is "four million, nine hundred eighty-eight thousand, six hundred forty-five".