38347489 has 2 divisors, whose sum is σ = 38347490. Its totient is φ = 38347488.

The previous prime is 38347481. The next prime is 38347493. The reversal of 38347489 is 98474383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26956864 + 11390625 = 5192^2 + 3375^2 .

It is a cyclic number.

It is not a de Polignac number, because 38347489 - 2³ = 38347481 is a prime.

It is not a weakly prime, because it can be changed into another prime (38347481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19173744 + 19173745.

It is an arithmetic number, because the mean of its divisors is an integer number (19173745).

Almost surely, 2^38347489 is an apocalyptic number.

It is an amenable number.

38347489 is a deficient number, since it is larger than the sum of its proper divisors (1).

38347489 is an equidigital number, since it uses as much as digits as its factorization.

38347489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 46.

The square root of 38347489 is about 6192.5349413629. The cubic root of 38347489 is about 337.2192130086.

The spelling of 38347489 in words is "thirty-eight million, three hundred forty-seven thousand, four hundred eighty-nine".