999348479 has 2 divisors, whose sum is σ = 999348480. Its totient is φ = 999348478.

The previous prime is 999348461. The next prime is 999348517. The reversal of 999348479 is 974843999.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999348479 - 2¹⁶ = 999282943 is a prime.

It is a super-2 number, since 2×999348479² = 1997394764959226882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999348419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499674239 + 499674240.

It is an arithmetic number, because the mean of its divisors is an integer number (499674240).

Almost surely, 2^999348479 is an apocalyptic number.

999348479 is a deficient number, since it is larger than the sum of its proper divisors (1).

999348479 is an equidigital number, since it uses as much as digits as its factorization.

999348479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17635968, while the sum is 62.

The square root of 999348479 is about 31612.4734717168. The cubic root of 999348479 is about 999.7827791519.

The spelling of 999348479 in words is "nine hundred ninety-nine million, three hundred forty-eight thousand, four hundred seventy-nine".