39828361 has 2 divisors, whose sum is σ = 39828362. Its totient is φ = 39828360.

The previous prime is 39828337. The next prime is 39828377. The reversal of 39828361 is 16382893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23377225 + 16451136 = 4835^2 + 4056^2 .

It is a cyclic number.

It is not a de Polignac number, because 39828361 - 2⁵ = 39828329 is a prime.

It is not a weakly prime, because it can be changed into another prime (39828661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19914180 + 19914181.

It is an arithmetic number, because the mean of its divisors is an integer number (19914181).

Almost surely, 2^39828361 is an apocalyptic number.

It is an amenable number.

39828361 is a deficient number, since it is larger than the sum of its proper divisors (1).

39828361 is an equidigital number, since it uses as much as digits as its factorization.

39828361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 39828361 is about 6310.9714783066. The cubic root of 39828361 is about 341.5053237296.

The spelling of 39828361 in words is "thirty-nine million, eight hundred twenty-eight thousand, three hundred sixty-one".