39677413 has 2 divisors, whose sum is σ = 39677414. Its totient is φ = 39677412.

The previous prime is 39677399. The next prime is 39677483. The reversal of 39677413 is 31477693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35605089 + 4072324 = 5967^2 + 2018^2 .

It is a cyclic number.

It is not a de Polignac number, because 39677413 - 2¹³ = 39669221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39677483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19838706 + 19838707.

It is an arithmetic number, because the mean of its divisors is an integer number (19838707).

Almost surely, 2^39677413 is an apocalyptic number.

It is an amenable number.

39677413 is a deficient number, since it is larger than the sum of its proper divisors (1).

39677413 is an equidigital number, since it uses as much as digits as its factorization.

39677413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 40.

The square root of 39677413 is about 6299.0009525321. Note that the first 3 decimals coincide. The cubic root of 39677413 is about 341.0733467380.

The spelling of 39677413 in words is "thirty-nine million, six hundred seventy-seven thousand, four hundred thirteen".