38668558 has 8 divisors (see below), whose sum is σ = 58234680. Its totient is φ = 19257000.

The previous prime is 38668547. The next prime is 38668559. The reversal of 38668558 is 85586683.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38668559) 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, 38013 + ... + 39016.

It is an arithmetic number, because the mean of its divisors is an integer number (7279335).

Almost surely, 2^38668558 is an apocalyptic number.

38668558 is a deficient number, since it is larger than the sum of its proper divisors (19566122).

38668558 is a wasteful number, since it uses less digits than its factorization.

38668558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77282.

The product of its digits is 1382400, while the sum is 49.

The square root of 38668558 is about 6218.4047793626. The cubic root of 38668558 is about 338.1577348117.

The spelling of 38668558 in words is "thirty-eight million, six hundred sixty-eight thousand, five hundred fifty-eight".