1002856930 has 8 divisors (see below), whose sum is σ = 1805142492. Its totient is φ = 401142768.

The previous prime is 1002856853. The next prime is 1002856949. The reversal of 1002856930 is 396582001.

It can be written as a sum of positive squares in 2 ways, for example, as 1001026321 + 1830609 = 31639^2 + 1353^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50142837 + ... + 50142856.

Almost surely, 2^1002856930 is an apocalyptic number.

1002856930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002856930 is a deficient number, since it is larger than the sum of its proper divisors (802285562).

1002856930 is a wasteful number, since it uses less digits than its factorization.

1002856930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100285700.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1002856930 is about 31667.9164139354. The cubic root of 1002856930 is about 1000.9514045423.

The spelling of 1002856930 in words is "one billion, two million, eight hundred fifty-six thousand, nine hundred thirty".