39790441 has 2 divisors, whose sum is σ = 39790442. Its totient is φ = 39790440.

The previous prime is 39790433. The next prime is 39790451. The reversal of 39790441 is 14409793.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27258841 + 12531600 = 5221^2 + 3540^2 .

It is an emirp because it is prime and its reverse (14409793) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39790441 - 2³ = 39790433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39790441.

It is not a weakly prime, because it can be changed into another prime (39790451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19895220 + 19895221.

It is an arithmetic number, because the mean of its divisors is an integer number (19895221).

Almost surely, 2^39790441 is an apocalyptic number.

It is an amenable number.

39790441 is a deficient number, since it is larger than the sum of its proper divisors (1).

39790441 is an equidigital number, since it uses as much as digits as its factorization.

39790441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 39790441 is about 6307.9664710586. The cubic root of 39790441 is about 341.3969085741.

The spelling of 39790441 in words is "thirty-nine million, seven hundred ninety thousand, four hundred forty-one".