38623663 has 4 divisors (see below), whose sum is σ = 41594728. Its totient is φ = 35652600.

The previous prime is 38623657. The next prime is 38623687. The reversal of 38623663 is 36632683.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36632683 = 3727 ⋅9829.

It is a cyclic number.

It is not a de Polignac number, because 38623663 - 2¹³ = 38615471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38623603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1485513 + ... + 1485538.

It is an arithmetic number, because the mean of its divisors is an integer number (10398682).

Almost surely, 2^38623663 is an apocalyptic number.

38623663 is a deficient number, since it is larger than the sum of its proper divisors (2971065).

38623663 is a wasteful number, since it uses less digits than its factorization.

38623663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971064.

The product of its digits is 93312, while the sum is 37.

The square root of 38623663 is about 6214.7938823424. The cubic root of 38623663 is about 338.0268147441.

The spelling of 38623663 in words is "thirty-eight million, six hundred twenty-three thousand, six hundred sixty-three".