806439432 has 32 divisors (see below), whose sum is σ = 2103756480. Its totient is φ = 257125440.

The previous prime is 806439407. The next prime is 806439433. The reversal of 806439432 is 234934608.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (806439433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729919 + ... + 731022.

It is an arithmetic number, because the mean of its divisors is an integer number (65742390).

Almost surely, 2^806439432 is an apocalyptic number.

It is an amenable number.

806439432 is an abundant number, since it is smaller than the sum of its proper divisors (1297317048).

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

806439432 is a wasteful number, since it uses less digits than its factorization.

806439432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460973 (or 1460969 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 806439432 is about 28397.8772446111. The cubic root of 806439432 is about 930.8018797869.

The spelling of 806439432 in words is "eight hundred six million, four hundred thirty-nine thousand, four hundred thirty-two".