4999399 has 4 divisors (see below), whose sum is σ = 5049000. Its totient is φ = 4949800.

The previous prime is 4999391. The next prime is 4999409. The reversal of 4999399 is 9939994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9939994 = 2 ⋅4969997.

It is a cyclic number.

It is not a de Polignac number, because 4999399 - 2³ = 4999391 is a prime.

It is a super-2 number, since 2×4999399² = 49987980722402, 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 (4999391) 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 3 ways as a sum of consecutive naturals, for example, 24649 + ... + 24850.

It is an arithmetic number, because the mean of its divisors is an integer number (1262250).

Almost surely, 2^4999399 is an apocalyptic number.

4999399 is a deficient number, since it is larger than the sum of its proper divisors (49601).

4999399 is a wasteful number, since it uses less digits than its factorization.

4999399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49600.

The product of its digits is 708588, while the sum is 52.

The square root of 4999399 is about 2235.9335857757. The cubic root of 4999399 is about 170.9907430895.

The spelling of 4999399 in words is "four million, nine hundred ninety-nine thousand, three hundred ninety-nine".