38243966 has 4 divisors (see below), whose sum is σ = 57365952. Its totient is φ = 19121982.

The previous prime is 38243957. The next prime is 38243971. The reversal of 38243966 is 66934283.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9560990 + ... + 9560993.

It is an arithmetic number, because the mean of its divisors is an integer number (14341488).

Almost surely, 2^38243966 is an apocalyptic number.

38243966 is a deficient number, since it is larger than the sum of its proper divisors (19121986).

38243966 is a wasteful number, since it uses less digits than its factorization.

38243966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19121985.

The product of its digits is 186624, while the sum is 41.

The square root of 38243966 is about 6184.1705991992. The cubic root of 38243966 is about 336.9154868540.

The spelling of 38243966 in words is "thirty-eight million, two hundred forty-three thousand, nine hundred sixty-six".