38546947 has 2 divisors, whose sum is σ = 38546948. Its totient is φ = 38546946.

The previous prime is 38546941. The next prime is 38546951. The reversal of 38546947 is 74964583.

It is a strong prime.

It is an emirp because it is prime and its reverse (74964583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38546947 - 2⁷ = 38546819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38546897 and 38546906.

It is not a weakly prime, because it can be changed into another prime (38546941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19273473 + 19273474.

It is an arithmetic number, because the mean of its divisors is an integer number (19273474).

Almost surely, 2^38546947 is an apocalyptic number.

38546947 is a deficient number, since it is larger than the sum of its proper divisors (1).

38546947 is an equidigital number, since it uses as much as digits as its factorization.

38546947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 46.

The square root of 38546947 is about 6208.6187674877. The cubic root of 38546947 is about 337.8028652168.

It can be divided in two parts, 38546 and 947, that added together give a palindrome (39493).

The spelling of 38546947 in words is "thirty-eight million, five hundred forty-six thousand, nine hundred forty-seven".