999292939 has 2 divisors, whose sum is σ = 999292940. Its totient is φ = 999292938.

The previous prime is 999292927. The next prime is 999292969. The reversal of 999292939 is 939292999.

It is a weak prime.

It is an emirp because it is prime and its reverse (939292999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 999292939 - 2¹¹ = 999290891 is a prime.

It is not a weakly prime, because it can be changed into another prime (999292969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499646469 + 499646470.

It is an arithmetic number, because the mean of its divisors is an integer number (499646470).

Almost surely, 2^999292939 is an apocalyptic number.

999292939 is a deficient number, since it is larger than the sum of its proper divisors (1).

999292939 is an equidigital number, since it uses as much as digits as its factorization.

999292939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6377292, while the sum is 61.

The square root of 999292939 is about 31611.5950087938. The cubic root of 999292939 is about 999.7642574298.

The spelling of 999292939 in words is "nine hundred ninety-nine million, two hundred ninety-two thousand, nine hundred thirty-nine".