38623633 has 2 divisors, whose sum is σ = 38623634. Its totient is φ = 38623632.

The previous prime is 38623619. The next prime is 38623639. The reversal of 38623633 is 33632683.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34433424 + 4190209 = 5868^2 + 2047^2 .

It is a cyclic number.

It is not a de Polignac number, because 38623633 - 2⁹ = 38623121 is a prime.

It is a super-2 number, since 2×38623633² = 2983570052237378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38623639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19311816 + 19311817.

It is an arithmetic number, because the mean of its divisors is an integer number (19311817).

Almost surely, 2^38623633 is an apocalyptic number.

It is an amenable number.

38623633 is a deficient number, since it is larger than the sum of its proper divisors (1).

38623633 is an equidigital number, since it uses as much as digits as its factorization.

38623633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 34.

The square root of 38623633 is about 6214.7914687462. The cubic root of 38623633 is about 338.0267272260.

The spelling of 38623633 in words is "thirty-eight million, six hundred twenty-three thousand, six hundred thirty-three".