4993815 has 8 divisors (see below), whose sum is σ = 7990128. Its totient is φ = 2663360.

The previous prime is 4993811. The next prime is 4993817. The reversal of 4993815 is 5183994.

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

It is not a de Polignac number, because 4993815 - 2² = 4993811 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4993811) 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, 166446 + ... + 166475.

It is an arithmetic number, because the mean of its divisors is an integer number (998766).

Almost surely, 2^4993815 is an apocalyptic number.

4993815 is a deficient number, since it is larger than the sum of its proper divisors (2996313).

4993815 is a wasteful number, since it uses less digits than its factorization.

4993815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332929.

The product of its digits is 38880, while the sum is 39.

The square root of 4993815 is about 2234.6845414957. The cubic root of 4993815 is about 170.9270575667.

The spelling of 4993815 in words is "four million, nine hundred ninety-three thousand, eight hundred fifteen".