1002908842 has 16 divisors (see below), whose sum is σ = 1654555392. Its totient is φ = 453031920.

The previous prime is 1002908801. The next prime is 1002908843. The reversal of 1002908842 is 2488092001.

It is a super-2 number, since 2×1002908842² = 2011652290723561928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002908798 and 1002908807.

It is not an unprimeable number, because it can be changed into a prime (1002908843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409134 + ... + 411577.

It is an arithmetic number, because the mean of its divisors is an integer number (103409712).

Almost surely, 2^1002908842 is an apocalyptic number.

1002908842 is a deficient number, since it is larger than the sum of its proper divisors (651646550).

1002908842 is a wasteful number, since it uses less digits than its factorization.

1002908842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820773.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1002908842 is about 31668.7360341394. The cubic root of 1002908842 is about 1000.9686753651.

The spelling of 1002908842 in words is "one billion, two million, nine hundred eight thousand, eight hundred forty-two".