4999955 has 16 divisors (see below), whose sum is σ = 6467040. Its totient is φ = 3697152.

The previous prime is 4999949. The next prime is 4999957. The reversal of 4999955 is 5599994.

It is a cyclic number.

It is not a de Polignac number, because 4999955 - 2²⁰ = 3951379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4999957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4517 + ... + 5513.

It is an arithmetic number, because the mean of its divisors is an integer number (404190).

Almost surely, 2^4999955 is an apocalyptic number.

4999955 is a deficient number, since it is larger than the sum of its proper divisors (1467085).

4999955 is a wasteful number, since it uses less digits than its factorization.

4999955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078.

The product of its digits is 656100, while the sum is 50.

The square root of 4999955 is about 2236.0579151713. The cubic root of 4999955 is about 170.9970816733.

Adding to 4999955 its sum of digits (50), we get a palindrome (5000005).

The spelling of 4999955 in words is "four million, nine hundred ninety-nine thousand, nine hundred fifty-five".