38453873 has 2 divisors, whose sum is σ = 38453874. Its totient is φ = 38453872.

The previous prime is 38453869. The next prime is 38453879. The reversal of 38453873 is 37835483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35188624 + 3265249 = 5932^2 + 1807^2 .

It is a cyclic number.

It is not a de Polignac number, because 38453873 - 2² = 38453869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38453873.

It is not a weakly prime, because it can be changed into another prime (38453879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19226936 + 19226937.

It is an arithmetic number, because the mean of its divisors is an integer number (19226937).

Almost surely, 2^38453873 is an apocalyptic number.

It is an amenable number.

38453873 is a deficient number, since it is larger than the sum of its proper divisors (1).

38453873 is an equidigital number, since it uses as much as digits as its factorization.

38453873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

The square root of 38453873 is about 6201.1186893979. The cubic root of 38453873 is about 337.5307640910.

The spelling of 38453873 in words is "thirty-eight million, four hundred fifty-three thousand, eight hundred seventy-three".