38266989 has 8 divisors (see below), whose sum is σ = 52668672. Its totient is φ = 24688320.

The previous prime is 38266973. The next prime is 38266997. The reversal of 38266989 is 98966283.

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

It is not a de Polignac number, because 38266989 - 2⁴ = 38266973 is a prime.

It is a super-2 number, since 2×38266989² = 2928724894252242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38266919) 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, 205644 + ... + 205829.

It is an arithmetic number, because the mean of its divisors is an integer number (6583584).

Almost surely, 2^38266989 is an apocalyptic number.

It is an amenable number.

38266989 is a deficient number, since it is larger than the sum of its proper divisors (14401683).

38266989 is a wasteful number, since it uses less digits than its factorization.

38266989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411507.

The product of its digits is 1119744, while the sum is 51.

The square root of 38266989 is about 6186.0317651949. The cubic root of 38266989 is about 336.9830813885.

The spelling of 38266989 in words is "thirty-eight million, two hundred sixty-six thousand, nine hundred eighty-nine".