38949073 has 2 divisors, whose sum is σ = 38949074. Its totient is φ = 38949072.

The previous prime is 38949037. The next prime is 38949103. The reversal of 38949073 is 37094983.

Together with previous prime (38949037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22724289 + 16224784 = 4767^2 + 4028^2 .

It is a cyclic number.

It is not a de Polignac number, because 38949073 - 2²¹ = 36851921 is a prime.

It is not a weakly prime, because it can be changed into another prime (38929073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19474536 + 19474537.

It is an arithmetic number, because the mean of its divisors is an integer number (19474537).

Almost surely, 2^38949073 is an apocalyptic number.

It is an amenable number.

38949073 is a deficient number, since it is larger than the sum of its proper divisors (1).

38949073 is an equidigital number, since it uses as much as digits as its factorization.

38949073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 38949073 is about 6240.9192431885. The cubic root of 38949073 is about 338.9734695550.

The spelling of 38949073 in words is "thirty-eight million, nine hundred forty-nine thousand, seventy-three".