38667456 has 70 divisors (see below), whose sum is σ = 114637820. Its totient is φ = 12887424.

The previous prime is 38667397. The next prime is 38667457. The reversal of 38667456 is 65476683.

It is not an unprimeable number, because it can be changed into a prime (38667457) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1455 + ... + 8913.

Almost surely, 2^38667456 is an apocalyptic number.

38667456 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38667456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57318910).

38667456 is an abundant number, since it is smaller than the sum of its proper divisors (75970364).

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

38667456 is an equidigital number, since it uses as much as digits as its factorization.

38667456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7483 (or 7464 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 38667456 is about 6218.3161707974. The cubic root of 38667456 is about 338.1545224398.

The spelling of 38667456 in words is "thirty-eight million, six hundred sixty-seven thousand, four hundred fifty-six".