4981409 has 8 divisors (see below), whose sum is σ = 5248320. Its totient is φ = 4718736.

The previous prime is 4981393. The next prime is 4981423. The reversal of 4981409 is 9041894.

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 4981409 - 2⁴ = 4981393 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4981469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1514 + ... + 3500.

It is an arithmetic number, because the mean of its divisors is an integer number (656040).

Almost surely, 2^4981409 is an apocalyptic number.

It is an amenable number.

4981409 is a deficient number, since it is larger than the sum of its proper divisors (266911).

4981409 is a wasteful number, since it uses less digits than its factorization.

4981409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 4981409 is about 2231.9070321140. The cubic root of 4981409 is about 170.7853970334.

The spelling of 4981409 in words is "four million, nine hundred eighty-one thousand, four hundred nine".