1002839995 has 8 divisors (see below), whose sum is σ = 1204183440. Its totient is φ = 801755040.

The previous prime is 1002839989. The next prime is 1002840017. The reversal of 1002839995 is 5999382001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1002839995 - 2⁷ = 1002839867 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55980 + ... + 71689.

It is an arithmetic number, because the mean of its divisors is an integer number (150522930).

Almost surely, 2^1002839995 is an apocalyptic number.

1002839995 is a deficient number, since it is larger than the sum of its proper divisors (201343445).

1002839995 is a wasteful number, since it uses less digits than its factorization.

1002839995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129245.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 1002839995 is about 31667.6490286223. The cubic root of 1002839995 is about 1000.9457702367.

The spelling of 1002839995 in words is "one billion, two million, eight hundred thirty-nine thousand, nine hundred ninety-five".