4992787 has 2 divisors, whose sum is σ = 4992788. Its totient is φ = 4992786.

The previous prime is 4992769. The next prime is 4992809. The reversal of 4992787 is 7872994.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4992787 is a prime.

It is not a weakly prime, because it can be changed into another prime (4992707) 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 as a sum of consecutive naturals, namely, 2496393 + 2496394.

It is an arithmetic number, because the mean of its divisors is an integer number (2496394).

Almost surely, 2^4992787 is an apocalyptic number.

4992787 is a deficient number, since it is larger than the sum of its proper divisors (1).

4992787 is an equidigital number, since it uses as much as digits as its factorization.

4992787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 46.

The square root of 4992787 is about 2234.4545195640. The cubic root of 4992787 is about 170.9153280523.

The spelling of 4992787 in words is "four million, nine hundred ninety-two thousand, seven hundred eighty-seven".