806908100 has 18 divisors (see below), whose sum is σ = 1750990794. Its totient is φ = 322763200.

The previous prime is 806908049. The next prime is 806908127. The reversal of 806908100 is 1809608.

It can be written as a sum of positive squares in 3 ways, for example, as 274498624 + 532409476 = 16568^2 + 23074^2 .

It is a super-2 number, since 2×806908100² = 1302201363691220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4034441 + ... + 4034640.

Almost surely, 2^806908100 is an apocalyptic number.

It is an amenable number.

806908100 is an abundant number, since it is smaller than the sum of its proper divisors (944082694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

806908100 is a wasteful number, since it uses less digits than its factorization.

806908100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8069095 (or 8069088 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 806908100 is about 28406.1278600234. The cubic root of 806908100 is about 930.9821589077.

The spelling of 806908100 in words is "eight hundred six million, nine hundred eight thousand, one hundred".