38617489 has 8 divisors (see below), whose sum is σ = 40963968. Its totient is φ = 36279360.

The previous prime is 38617487. The next prime is 38617499. The reversal of 38617489 is 98471683.

It is a happy number.

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

It is not a de Polignac number, because 38617489 - 2¹ = 38617487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38617487) 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, 9244 + ... + 12754.

It is an arithmetic number, because the mean of its divisors is an integer number (5120496).

Almost surely, 2^38617489 is an apocalyptic number.

It is an amenable number.

38617489 is a deficient number, since it is larger than the sum of its proper divisors (2346479).

38617489 is a wasteful number, since it uses less digits than its factorization.

38617489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175.

The product of its digits is 290304, while the sum is 46.

The square root of 38617489 is about 6214.2971444887. The cubic root of 38617489 is about 338.0088025671.

The spelling of 38617489 in words is "thirty-eight million, six hundred seventeen thousand, four hundred eighty-nine".