999485407 has 2 divisors, whose sum is σ = 999485408. Its totient is φ = 999485406.

The previous prime is 999485387. The next prime is 999485441. The reversal of 999485407 is 704584999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999485407 - 2²⁷ = 865267679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999485497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499742703 + 499742704.

It is an arithmetic number, because the mean of its divisors is an integer number (499742704).

Almost surely, 2^999485407 is an apocalyptic number.

999485407 is a deficient number, since it is larger than the sum of its proper divisors (1).

999485407 is an equidigital number, since it uses as much as digits as its factorization.

999485407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 999485407 is about 31614.6391249370. The cubic root of 999485407 is about 999.8284395687.

The spelling of 999485407 in words is "nine hundred ninety-nine million, four hundred eighty-five thousand, four hundred seven".