38275661 has 4 divisors (see below), whose sum is σ = 38298912. Its totient is φ = 38252412.

The previous prime is 38275651. The next prime is 38275663. The reversal of 38275661 is 16657283.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38275661 - 2⁶ = 38275597 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 (38275663) 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, 8951 + ... + 12516.

It is an arithmetic number, because the mean of its divisors is an integer number (9574728).

Almost surely, 2^38275661 is an apocalyptic number.

It is an amenable number.

38275661 is a deficient number, since it is larger than the sum of its proper divisors (23251).

38275661 is a wasteful number, since it uses less digits than its factorization.

38275661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23250.

The product of its digits is 60480, while the sum is 38.

The square root of 38275661 is about 6186.7326594900. The cubic root of 38275661 is about 337.0085349768.

The spelling of 38275661 in words is "thirty-eight million, two hundred seventy-five thousand, six hundred sixty-one".