39432245 has 8 divisors (see below), whose sum is σ = 47424984. Its totient is φ = 31474944.

The previous prime is 39432241. The next prime is 39432259. The reversal of 39432245 is 54223493.

It can be written as a sum of positive squares in 4 ways, for example, as 1965604 + 37466641 = 1402^2 + 6121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39432245 - 2² = 39432241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39432241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6344 + ... + 10913.

It is an arithmetic number, because the mean of its divisors is an integer number (5928123).

Almost surely, 2^39432245 is an apocalyptic number.

It is an amenable number.

39432245 is a deficient number, since it is larger than the sum of its proper divisors (7992739).

39432245 is a wasteful number, since it uses less digits than its factorization.

39432245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17719.

The product of its digits is 25920, while the sum is 32.

The square root of 39432245 is about 6279.5099331078. The cubic root of 39432245 is about 340.3693937970.

The spelling of 39432245 in words is "thirty-nine million, four hundred thirty-two thousand, two hundred forty-five".