4899521 has 8 divisors (see below), whose sum is σ = 5529600. Its totient is φ = 4300240.

The previous prime is 4899493. The next prime is 4899523. The reversal of 4899521 is 1259984.

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 4899521 - 2¹⁰ = 4898497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4899523) 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, 7361 + ... + 7998.

It is an arithmetic number, because the mean of its divisors is an integer number (691200).

Almost surely, 2^4899521 is an apocalyptic number.

It is an amenable number.

4899521 is a deficient number, since it is larger than the sum of its proper divisors (630079).

4899521 is a wasteful number, since it uses less digits than its factorization.

4899521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15399.

The product of its digits is 25920, while the sum is 38.

The square root of 4899521 is about 2213.4861644022. The cubic root of 4899521 is about 169.8443904782.

It can be divided in two parts, 48995 and 21, that multiplied together give a triangular number (1028895 = T₁₄₃₄).

The spelling of 4899521 in words is "four million, eight hundred ninety-nine thousand, five hundred twenty-one".