806288380 has 48 divisors (see below), whose sum is σ = 1721835360. Its totient is φ = 317104128.

The previous prime is 806288333. The next prime is 806288381. The reversal of 806288380 is 83882608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806288381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342367 + ... + 344713.

It is an arithmetic number, because the mean of its divisors is an integer number (35871570).

Almost surely, 2^806288380 is an apocalyptic number.

It is an amenable number.

806288380 is an abundant number, since it is smaller than the sum of its proper divisors (915546980).

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

806288380 is a wasteful number, since it uses less digits than its factorization.

806288380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638 (or 2636 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 806288380 is about 28395.2175550743. The cubic root of 806288380 is about 930.7437608263.

The spelling of 806288380 in words is "eight hundred six million, two hundred eighty-eight thousand, three hundred eighty".