39905102 has 16 divisors (see below), whose sum is σ = 62942400. Its totient is φ = 18947040.

The previous prime is 39905101. The next prime is 39905119. The reversal of 39905102 is 20150993.

39905102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39905101) 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 7 ways as a sum of consecutive naturals, for example, 2102 + ... + 9177.

It is an arithmetic number, because the mean of its divisors is an integer number (3933900).

Almost surely, 2^39905102 is an apocalyptic number.

39905102 is a deficient number, since it is larger than the sum of its proper divisors (23037298).

39905102 is a wasteful number, since it uses less digits than its factorization.

39905102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11371.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 39905102 is about 6317.0485196807. The cubic root of 39905102 is about 341.7245196766.

The spelling of 39905102 in words is "thirty-nine million, nine hundred five thousand, one hundred two".