38374481 has 2 divisors, whose sum is σ = 38374482. Its totient is φ = 38374480.

The previous prime is 38374459. The next prime is 38374489. The reversal of 38374481 is 18447383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31820881 + 6553600 = 5641^2 + 2560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38374481 is a prime.

It is a super-2 number, since 2×38374481² = 2945201584038722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38374489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19187240 + 19187241.

It is an arithmetic number, because the mean of its divisors is an integer number (19187241).

Almost surely, 2^38374481 is an apocalyptic number.

It is an amenable number.

38374481 is a deficient number, since it is larger than the sum of its proper divisors (1).

38374481 is an equidigital number, since it uses as much as digits as its factorization.

38374481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 38.

The square root of 38374481 is about 6194.7139562695. The cubic root of 38374481 is about 337.2983149824.

The spelling of 38374481 in words is "thirty-eight million, three hundred seventy-four thousand, four hundred eighty-one".