38958966 has 12 divisors (see below), whose sum is σ = 84411132. Its totient is φ = 12986316.

The previous prime is 38958961. The next prime is 38958973. The reversal of 38958966 is 66985983.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38958961) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1082176 + ... + 1082211.

It is an arithmetic number, because the mean of its divisors is an integer number (7034261).

Almost surely, 2^38958966 is an apocalyptic number.

38958966 is an abundant number, since it is smaller than the sum of its proper divisors (45452166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38958966 is a wasteful number, since it uses less digits than its factorization.

38958966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164395 (or 2164392 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 38958966 is about 6241.7117844386. The cubic root of 38958966 is about 339.0021666920.

The spelling of 38958966 in words is "thirty-eight million, nine hundred fifty-eight thousand, nine hundred sixty-six".