4909973 has 4 divisors (see below), whose sum is σ = 5002668. Its totient is φ = 4817280.

The previous prime is 4909969. The next prime is 4909981. The reversal of 4909973 is 3799094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4401604 + 508369 = 2098^2 + 713^2 .

It is a cyclic number.

It is not a de Polignac number, because 4909973 - 2² = 4909969 is a prime.

It is a d-powerful number, because it can be written as 4⁸ + 9 + 0 + 9 + 9⁵ + 7⁴ + 3¹⁴ .

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4909973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4905973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46268 + ... + 46373.

It is an arithmetic number, because the mean of its divisors is an integer number (1250667).

Almost surely, 2^4909973 is an apocalyptic number.

It is an amenable number.

4909973 is a deficient number, since it is larger than the sum of its proper divisors (92695).

4909973 is an equidigital number, since it uses as much as digits as its factorization.

4909973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92694.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 4909973 is about 2215.8458881429. The cubic root of 4909973 is about 169.9650793324.

The spelling of 4909973 in words is "four million, nine hundred nine thousand, nine hundred seventy-three".