38661603 has 8 divisors (see below), whose sum is σ = 52255248. Its totient is φ = 25421184.

The previous prime is 38661593. The next prime is 38661607. The reversal of 38661603 is 30616683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38661603 - 2¹⁰ = 38660579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38661607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88050 + ... + 88487.

It is an arithmetic number, because the mean of its divisors is an integer number (6531906).

Almost surely, 2^38661603 is an apocalyptic number.

38661603 is a deficient number, since it is larger than the sum of its proper divisors (13593645).

38661603 is a wasteful number, since it uses less digits than its factorization.

38661603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176613.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 38661603 is about 6217.8455271903. The cubic root of 38661603 is about 338.1374596994.

The spelling of 38661603 in words is "thirty-eight million, six hundred sixty-one thousand, six hundred three".