38347864 has 32 divisors (see below), whose sum is σ = 74419200. Its totient is φ = 18514080.

The previous prime is 38347861. The next prime is 38347879. The reversal of 38347864 is 46874383.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 38347864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38347861) 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, 29059 + ... + 30349.

It is an arithmetic number, because the mean of its divisors is an integer number (2325600).

Almost surely, 2^38347864 is an apocalyptic number.

It is an amenable number.

38347864 is a deficient number, since it is larger than the sum of its proper divisors (36071336).

38347864 is a wasteful number, since it uses less digits than its factorization.

38347864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423 (or 1419 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The square root of 38347864 is about 6192.5652196808. The cubic root of 38347864 is about 337.2203122270.

The spelling of 38347864 in words is "thirty-eight million, three hundred forty-seven thousand, eight hundred sixty-four".