39088649 has 2 divisors, whose sum is σ = 39088650. Its totient is φ = 39088648.

The previous prime is 39088639. The next prime is 39088663. The reversal of 39088649 is 94688093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30327049 + 8761600 = 5507^2 + 2960^2 .

It is an emirp because it is prime and its reverse (94688093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39088649 - 2⁸ = 39088393 is a prime.

It is not a weakly prime, because it can be changed into another prime (39088619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19544324 + 19544325.

It is an arithmetic number, because the mean of its divisors is an integer number (19544325).

Almost surely, 2^39088649 is an apocalyptic number.

It is an amenable number.

39088649 is a deficient number, since it is larger than the sum of its proper divisors (1).

39088649 is an equidigital number, since it uses as much as digits as its factorization.

39088649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 39088649 is about 6252.0915700268. The cubic root of 39088649 is about 339.3778964466.

The spelling of 39088649 in words is "thirty-nine million, eighty-eight thousand, six hundred forty-nine".