38651089 has 3 divisors (see below), whose sum is σ = 38657307. Its totient is φ = 38644872.

The previous prime is 38651087. The next prime is 38651101. The reversal of 38651089 is 98015683.

It is a happy number.

The square root of 38651089 is 6217.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 28462225 + 10188864 = 5335^2 + 3192^2 .

It is not a de Polignac number, because 38651089 - 2¹ = 38651087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38651083) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3109 + ... + 9325.

It is an arithmetic number, because the mean of its divisors is an integer number (12885769).

Almost surely, 2^38651089 is an apocalyptic number.

38651089 is the 6217-th square number.

38651089 is the 3109-th centered octagonal number.

It is an amenable number.

38651089 is a deficient number, since it is larger than the sum of its proper divisors (6218).

38651089 is an frugal number, since it uses more digits than its factorization.

38651089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12434 (or 6217 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The cubic root of 38651089 is about 338.1068048265.

The spelling of 38651089 in words is "thirty-eight million, six hundred fifty-one thousand, eighty-nine".