67938384 has 40 divisors (see below), whose sum is σ = 178392352. Its totient is φ = 22273920.

The previous prime is 67938383. The next prime is 67938427. The reversal of 67938384 is 48383976.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67938383) 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, 8674 + ... + 14529.

Almost surely, 2^67938384 is an apocalyptic number.

It is an amenable number.

67938384 is an abundant number, since it is smaller than the sum of its proper divisors (110453968).

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

67938384 is a wasteful number, since it uses less digits than its factorization.

67938384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23275 (or 23269 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 67938384 is about 8242.4743857655. The cubic root of 67938384 is about 408.0421909464.

The spelling of 67938384 in words is "sixty-seven million, nine hundred thirty-eight thousand, three hundred eighty-four".