38784673 has 4 divisors (see below), whose sum is σ = 39331008. Its totient is φ = 38238340.

The previous prime is 38784671. The next prime is 38784737. The reversal of 38784673 is 37648783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37648783 = 41 ⋅918263.

It is a cyclic number.

It is not a de Polignac number, because 38784673 - 2¹ = 38784671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38784671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273061 + ... + 273202.

It is an arithmetic number, because the mean of its divisors is an integer number (9832752).

Almost surely, 2^38784673 is an apocalyptic number.

It is an amenable number.

38784673 is a deficient number, since it is larger than the sum of its proper divisors (546335).

38784673 is an equidigital number, since it uses as much as digits as its factorization.

38784673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546334.

The product of its digits is 677376, while the sum is 46.

The square root of 38784673 is about 6227.7341786560. The cubic root of 38784673 is about 338.4958730016.

The spelling of 38784673 in words is "thirty-eight million, seven hundred eighty-four thousand, six hundred seventy-three".