38461447 has 2 divisors, whose sum is σ = 38461448. Its totient is φ = 38461446.

The previous prime is 38461399. The next prime is 38461457. The reversal of 38461447 is 74416483.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38461447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38461457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19230723 + 19230724.

It is an arithmetic number, because the mean of its divisors is an integer number (19230724).

Almost surely, 2^38461447 is an apocalyptic number.

38461447 is a deficient number, since it is larger than the sum of its proper divisors (1).

38461447 is an equidigital number, since it uses as much as digits as its factorization.

38461447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 37.

The square root of 38461447 is about 6201.7293555911. The cubic root of 38461447 is about 337.5529230222.

It can be divided in two parts, 3846144 and 7, that added together give a triangular number (3846151 = T₂₇₇₃).

The spelling of 38461447 in words is "thirty-eight million, four hundred sixty-one thousand, four hundred forty-seven".