38913337 has 2 divisors, whose sum is σ = 38913338. Its totient is φ = 38913336.

The previous prime is 38913319. The next prime is 38913359. The reversal of 38913337 is 73331983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38800441 + 112896 = 6229^2 + 336^2 .

It is a cyclic number.

It is not a de Polignac number, because 38913337 - 2⁷ = 38913209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38913296 and 38913305.

It is not a weakly prime, because it can be changed into another prime (38913317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19456668 + 19456669.

It is an arithmetic number, because the mean of its divisors is an integer number (19456669).

Almost surely, 2^38913337 is an apocalyptic number.

It is an amenable number.

38913337 is a deficient number, since it is larger than the sum of its proper divisors (1).

38913337 is an equidigital number, since it uses as much as digits as its factorization.

38913337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 37.

The square root of 38913337 is about 6238.0555464023. The cubic root of 38913337 is about 338.8697677925.

The spelling of 38913337 in words is "thirty-eight million, nine hundred thirteen thousand, three hundred thirty-seven".