38884537 has 2 divisors, whose sum is σ = 38884538. Its totient is φ = 38884536.

The previous prime is 38884501. The next prime is 38884541. The reversal of 38884537 is 73548883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35712576 + 3171961 = 5976^2 + 1781^2 .

It is an emirp because it is prime and its reverse (73548883) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38884537 is a prime.

It is not a weakly prime, because it can be changed into another prime (38884567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19442268 + 19442269.

It is an arithmetic number, because the mean of its divisors is an integer number (19442269).

Almost surely, 2^38884537 is an apocalyptic number.

It is an amenable number.

38884537 is a deficient number, since it is larger than the sum of its proper divisors (1).

38884537 is an equidigital number, since it uses as much as digits as its factorization.

38884537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 46.

The square root of 38884537 is about 6235.7467074922. The cubic root of 38884537 is about 338.7861472935.

The spelling of 38884537 in words is "thirty-eight million, eight hundred eighty-four thousand, five hundred thirty-seven".