4903999 has 2 divisors, whose sum is σ = 4904000. Its totient is φ = 4903998.

The previous prime is 4903981. The next prime is 4904023. The reversal of 4903999 is 9993094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4903999 - 2²¹ = 2806847 is a prime.

It is a d-powerful number, because it can be written as 4² + 9³ + 0 + 3⁷ + 9⁵ + 9⁵ + 9⁷ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4903909) 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 as a sum of consecutive naturals, namely, 2451999 + 2452000.

It is an arithmetic number, because the mean of its divisors is an integer number (2452000).

Almost surely, 2^4903999 is an apocalyptic number.

4903999 is a deficient number, since it is larger than the sum of its proper divisors (1).

4903999 is an equidigital number, since it uses as much as digits as its factorization.

4903999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78732, while the sum is 43.

The square root of 4903999 is about 2214.4974599218. The cubic root of 4903999 is about 169.8961187722.

It can be divided in two parts, 490 and 3999, that added together give a square (4489 = 67²).

The spelling of 4903999 in words is "four million, nine hundred three thousand, nine hundred ninety-nine".