38698663 has 4 divisors (see below), whose sum is σ = 38823408. Its totient is φ = 38573920.

The previous prime is 38698661. The next prime is 38698669. The reversal of 38698663 is 36689683.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38698663 - 2¹ = 38698661 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 (38698661) 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, 61906 + ... + 62527.

It is an arithmetic number, because the mean of its divisors is an integer number (9705852).

Almost surely, 2^38698663 is an apocalyptic number.

38698663 is a deficient number, since it is larger than the sum of its proper divisors (124745).

38698663 is a wasteful number, since it uses less digits than its factorization.

38698663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124744.

The product of its digits is 1119744, while the sum is 49.

The square root of 38698663 is about 6220.8249452946. The cubic root of 38698663 is about 338.2454684327.

The spelling of 38698663 in words is "thirty-eight million, six hundred ninety-eight thousand, six hundred sixty-three".