38668336 has 80 divisors (see below), whose sum is σ = 94708224. Its totient is φ = 14902272.

The previous prime is 38668321. The next prime is 38668351. The reversal of 38668336 is 63386683.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (38668321) and next prime (38668351).

It is a junction number, because it is equal to n+sod(n) for n = 38668292 and 38668301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43351 + ... + 44233.

Almost surely, 2^38668336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38668336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47354112).

38668336 is an abundant number, since it is smaller than the sum of its proper divisors (56039888).

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

38668336 is a wasteful number, since it uses less digits than its factorization.

38668336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938 (or 932 counting only the distinct ones).

The product of its digits is 373248, while the sum is 43.

The square root of 38668336 is about 6218.3869290999. The cubic root of 38668336 is about 338.1570876782.

The spelling of 38668336 in words is "thirty-eight million, six hundred sixty-eight thousand, three hundred thirty-six".