4998581 has 8 divisors (see below), whose sum is σ = 5738304. Its totient is φ = 4265280.

The previous prime is 4998571. The next prime is 4998583. The reversal of 4998581 is 1858994.

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 4998581 - 2¹⁸ = 4736437 is a prime.

It is a super-2 number, since 2×4998581² = 49971624027122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4998583) 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 7 ways as a sum of consecutive naturals, for example, 206 + ... + 3168.

It is an arithmetic number, because the mean of its divisors is an integer number (717288).

Almost surely, 2^4998581 is an apocalyptic number.

It is an amenable number.

4998581 is a deficient number, since it is larger than the sum of its proper divisors (739723).

4998581 is a wasteful number, since it uses less digits than its factorization.

4998581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211.

The product of its digits is 103680, while the sum is 44.

The square root of 4998581 is about 2235.7506569383. The cubic root of 4998581 is about 170.9814167647.

The spelling of 4998581 in words is "four million, nine hundred ninety-eight thousand, five hundred eighty-one".