999002371 has 2 divisors, whose sum is σ = 999002372. Its totient is φ = 999002370.

The previous prime is 999002357. The next prime is 999002443. The reversal of 999002371 is 173200999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999002371 - 2¹⁷ = 998871299 is a prime.

It is a super-4 number, since 4×999002371⁴ (a number of 37 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (999002341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499501185 + 499501186.

It is an arithmetic number, because the mean of its divisors is an integer number (499501186).

Almost surely, 2^999002371 is an apocalyptic number.

999002371 is a deficient number, since it is larger than the sum of its proper divisors (1).

999002371 is an equidigital number, since it uses as much as digits as its factorization.

999002371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 999002371 is about 31606.9987660961. The cubic root of 999002371 is about 999.6673463538.

The spelling of 999002371 in words is "nine hundred ninety-nine million, two thousand, three hundred seventy-one".