39641434 has 32 divisors (see below), whose sum is σ = 70761600. Its totient is φ = 16296000.

The previous prime is 39641431. The next prime is 39641449. The reversal of 39641434 is 43414693.

39641434 = 337² + 338² + ... + 539².

39641434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 39641434.

It is not an unprimeable number, because it can be changed into a prime (39641431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101712 + ... + 102100.

It is an arithmetic number, because the mean of its divisors is an integer number (2211300).

Almost surely, 2^39641434 is an apocalyptic number.

39641434 is a deficient number, since it is larger than the sum of its proper divisors (31120166).

39641434 is a wasteful number, since it uses less digits than its factorization.

39641434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678.

The product of its digits is 31104, while the sum is 34.

The square root of 39641434 is about 6296.1443757271. The cubic root of 39641434 is about 340.9702218273.

The spelling of 39641434 in words is "thirty-nine million, six hundred forty-one thousand, four hundred thirty-four".