39641087 has 16 divisors (see below), whose sum is σ = 42735840. Its totient is φ = 36661248.

The previous prime is 39641083. The next prime is 39641101. The reversal of 39641087 is 78014693.

It is a cyclic number.

It is not a de Polignac number, because 39641087 - 2² = 39641083 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 39641087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39641083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252413 + ... + 252569.

It is an arithmetic number, because the mean of its divisors is an integer number (2670990).

Almost surely, 2^39641087 is an apocalyptic number.

39641087 is a deficient number, since it is larger than the sum of its proper divisors (3094753).

39641087 is a wasteful number, since it uses less digits than its factorization.

39641087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 39641087 is about 6296.1168191195. The cubic root of 39641087 is about 340.9692269338.

The spelling of 39641087 in words is "thirty-nine million, six hundred forty-one thousand, eighty-seven".