38670407 has 2 divisors, whose sum is σ = 38670408. Its totient is φ = 38670406.

The previous prime is 38670397. The next prime is 38670409. The reversal of 38670407 is 70407683.

It is a strong prime.

It is an emirp because it is prime and its reverse (70407683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38670407 - 2⁶ = 38670343 is a prime.

Together with 38670409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38670409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19335203 + 19335204.

It is an arithmetic number, because the mean of its divisors is an integer number (19335204).

Almost surely, 2^38670407 is an apocalyptic number.

38670407 is a deficient number, since it is larger than the sum of its proper divisors (1).

38670407 is an equidigital number, since it uses as much as digits as its factorization.

38670407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 38670407 is about 6218.5534491552. The cubic root of 38670407 is about 338.1631245798.

The spelling of 38670407 in words is "thirty-eight million, six hundred seventy thousand, four hundred seven".