39629901 has 4 divisors (see below), whose sum is σ = 52839872. Its totient is φ = 26419932.

The previous prime is 39629881. The next prime is 39629939. The reversal of 39629901 is 10992693.

It is a happy number.

39629901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 39629901 - 2⁷ = 39629773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39629901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39629951) 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 3 ways as a sum of consecutive naturals, for example, 6604981 + ... + 6604986.

It is an arithmetic number, because the mean of its divisors is an integer number (13209968).

Almost surely, 2^39629901 is an apocalyptic number.

It is an amenable number.

39629901 is a deficient number, since it is larger than the sum of its proper divisors (13209971).

39629901 is a wasteful number, since it uses less digits than its factorization.

39629901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13209970.

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 39629901 is about 6295.2284311215. The cubic root of 39629901 is about 340.9371521273.

The spelling of 39629901 in words is "thirty-nine million, six hundred twenty-nine thousand, nine hundred one".