39629225 has 24 divisors (see below), whose sum is σ = 51960960. Its totient is φ = 29933120.

The previous prime is 39629221. The next prime is 39629251. The reversal of 39629225 is 52292693.

39629225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39629225 - 2² = 39629221 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (39629221) 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 23 ways as a sum of consecutive naturals, for example, 33494 + ... + 34656.

It is an arithmetic number, because the mean of its divisors is an integer number (2165040).

Almost surely, 2^39629225 is an apocalyptic number.

It is an amenable number.

39629225 is a deficient number, since it is larger than the sum of its proper divisors (12331735).

39629225 is a wasteful number, since it uses less digits than its factorization.

39629225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249 (or 1244 counting only the distinct ones).

The product of its digits is 58320, while the sum is 38.

The square root of 39629225 is about 6295.1747394334. The cubic root of 39629225 is about 340.9352135673.

The spelling of 39629225 in words is "thirty-nine million, six hundred twenty-nine thousand, two hundred twenty-five".