806391530 has 48 divisors (see below), whose sum is σ = 1742985216. Its totient is φ = 267553440.

The previous prime is 806391503. The next prime is 806391533. The reversal of 806391530 is 35193608.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (806391533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11354 + ... + 41733.

It is an arithmetic number, because the mean of its divisors is an integer number (36312192).

Almost surely, 2^806391530 is an apocalyptic number.

806391530 is an abundant number, since it is smaller than the sum of its proper divisors (936593686).

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

806391530 is a wasteful number, since it uses less digits than its factorization.

806391530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53139 (or 53132 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 806391530 is about 28397.0338239753. The cubic root of 806391530 is about 930.7834497380.

The spelling of 806391530 in words is "eight hundred six million, three hundred ninety-one thousand, five hundred thirty".