4990015 has 8 divisors (see below), whose sum is σ = 6020208. Its totient is φ = 3970560.

The previous prime is 4989997. The next prime is 4990019. The reversal of 4990015 is 5100994.

4990015 = 997² + 998² + ... + 1001².

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

It is not a de Polignac number, because 4990015 - 2⁹ = 4989503 is a prime.

It is a Duffinian number.

4990015 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4990019) 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, 1621 + ... + 3550.

It is an arithmetic number, because the mean of its divisors is an integer number (752526).

Almost surely, 2^4990015 is an apocalyptic number.

4990015 is a deficient number, since it is larger than the sum of its proper divisors (1030193).

4990015 is a wasteful number, since it uses less digits than its factorization.

4990015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5369.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 4990015 is about 2233.8341478275. The cubic root of 4990015 is about 170.8836914135.

The spelling of 4990015 in words is "four million, nine hundred ninety thousand, fifteen".