38216782 has 24 divisors (see below), whose sum is σ = 62576424. Its totient is φ = 17488512.

The previous prime is 38216749. The next prime is 38216791. The reversal of 38216782 is 28761283.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20493 + ... + 22279.

It is an arithmetic number, because the mean of its divisors is an integer number (2607351).

Almost surely, 2^38216782 is an apocalyptic number.

38216782 is a deficient number, since it is larger than the sum of its proper divisors (24359642).

38216782 is a wasteful number, since it uses less digits than its factorization.

38216782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860 (or 1843 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 38216782 is about 6181.9723389870. The cubic root of 38216782 is about 336.8356408684.

The spelling of 38216782 in words is "thirty-eight million, two hundred sixteen thousand, seven hundred eighty-two".