39628049 has 2 divisors, whose sum is σ = 39628050. Its totient is φ = 39628048.

The previous prime is 39628027. The next prime is 39628079. The reversal of 39628049 is 94082693.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39627025 + 1024 = 6295^2 + 32^2 .

It is a cyclic number.

It is not a de Polignac number, because 39628049 - 2²⁰ = 38579473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39627997 and 39628015.

It is not a weakly prime, because it can be changed into another prime (39628009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19814024 + 19814025.

It is an arithmetic number, because the mean of its divisors is an integer number (19814025).

Almost surely, 2^39628049 is an apocalyptic number.

It is an amenable number.

39628049 is a deficient number, since it is larger than the sum of its proper divisors (1).

39628049 is an equidigital number, since it uses as much as digits as its factorization.

39628049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 39628049 is about 6295.0813338669. The cubic root of 39628049 is about 340.9318411086.

The spelling of 39628049 in words is "thirty-nine million, six hundred twenty-eight thousand, forty-nine".