39528641 has 8 divisors (see below), whose sum is σ = 40005504. Its totient is φ = 39054960.

The previous prime is 39528631. The next prime is 39528647. The reversal of 39528641 is 14682593.

It is a happy number.

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 39528641 - 2¹⁴ = 39512257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39528595 and 39528604.

It is not an unprimeable number, because it can be changed into a prime (39528647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31496 + ... + 32726.

It is an arithmetic number, because the mean of its divisors is an integer number (5000688).

Almost surely, 2^39528641 is an apocalyptic number.

It is an amenable number.

39528641 is a deficient number, since it is larger than the sum of its proper divisors (476863).

39528641 is a wasteful number, since it uses less digits than its factorization.

39528641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591.

The product of its digits is 51840, while the sum is 38.

The square root of 39528641 is about 6287.1806877169. The cubic root of 39528641 is about 340.6465235789.

The spelling of 39528641 in words is "thirty-nine million, five hundred twenty-eight thousand, six hundred forty-one".