38940953 has 2 divisors, whose sum is σ = 38940954. Its totient is φ = 38940952.

The previous prime is 38940943. The next prime is 38940961. The reversal of 38940953 is 35904983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29626249 + 9314704 = 5443^2 + 3052^2 .

It is an emirp because it is prime and its reverse (35904983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38940953 - 2²⁰ = 37892377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38940953.

It is not a weakly prime, because it can be changed into another prime (38940943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19470476 + 19470477.

It is an arithmetic number, because the mean of its divisors is an integer number (19470477).

Almost surely, 2^38940953 is an apocalyptic number.

It is an amenable number.

38940953 is a deficient number, since it is larger than the sum of its proper divisors (1).

38940953 is an equidigital number, since it uses as much as digits as its factorization.

38940953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 38940953 is about 6240.2686640881. The cubic root of 38940953 is about 338.9499118196.

It can be divided in two parts, 38940 and 953, that added together give a palindrome (39893).

The spelling of 38940953 in words is "thirty-eight million, nine hundred forty thousand, nine hundred fifty-three".