1002938806 has 4 divisors (see below), whose sum is σ = 1504408212. Its totient is φ = 501469402.

The previous prime is 1002938803. The next prime is 1002938809. The reversal of 1002938806 is 6088392001.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1002938803) and next prime (1002938809).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002938803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250734700 + ... + 250734703.

It is an arithmetic number, because the mean of its divisors is an integer number (376102053).

Almost surely, 2^1002938806 is an apocalyptic number.

1002938806 is a deficient number, since it is larger than the sum of its proper divisors (501469406).

1002938806 is an equidigital number, since it uses as much as digits as its factorization.

1002938806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501469405.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1002938806 is about 31669.2091154800. The cubic root of 1002938806 is about 1000.9786439436.

The spelling of 1002938806 in words is "one billion, two million, nine hundred thirty-eight thousand, eight hundred six".