38573663 has 4 divisors (see below), whose sum is σ = 40842720. Its totient is φ = 36304608.

The previous prime is 38573657. The next prime is 38573681. The reversal of 38573663 is 36637583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36637583 = 151 ⋅242633.

It is a cyclic number.

It is not a de Polignac number, because 38573663 - 2⁸ = 38573407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38573663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38573263) 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, 1134503 + ... + 1134536.

It is an arithmetic number, because the mean of its divisors is an integer number (10210680).

Almost surely, 2^38573663 is an apocalyptic number.

38573663 is a deficient number, since it is larger than the sum of its proper divisors (2269057).

38573663 is a wasteful number, since it uses less digits than its factorization.

38573663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269056.

The product of its digits is 272160, while the sum is 41.

The square root of 38573663 is about 6210.7699200663. The cubic root of 38573663 is about 337.8808883194.

The spelling of 38573663 in words is "thirty-eight million, five hundred seventy-three thousand, six hundred sixty-three".