39836225 has 36 divisors (see below), whose sum is σ = 58530108. Its totient is φ = 26716800.

The previous prime is 39836221. The next prime is 39836263. The reversal of 39836225 is 52263893.

It can be written as a sum of positive squares in 6 ways, for example, as 16834609 + 23001616 = 4103^2 + 4796^2 .

It is not a de Polignac number, because 39836225 - 2² = 39836221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39836221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 38819 + ... + 39831.

Almost surely, 2^39836225 is an apocalyptic number.

It is an amenable number.

39836225 is a deficient number, since it is larger than the sum of its proper divisors (18693883).

39836225 is a wasteful number, since it uses less digits than its factorization.

39836225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058 (or 1042 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 39836225 is about 6311.5944895090. The cubic root of 39836225 is about 341.5277986784.

The spelling of 39836225 in words is "thirty-nine million, eight hundred thirty-six thousand, two hundred twenty-five".