38356668 has 72 divisors (see below), whose sum is σ = 116654720. Its totient is φ = 10380960.

The previous prime is 38356651. The next prime is 38356697. The reversal of 38356668 is 86665383.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 783 + ... + 8793.

Almost surely, 2^38356668 is an apocalyptic number.

38356668 is a gapful number since it is divisible by the number (38) 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 38356668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58327360).

38356668 is an abundant number, since it is smaller than the sum of its proper divisors (78298052).

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

38356668 is a wasteful number, since it uses less digits than its factorization.

38356668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8047 (or 8042 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 38356668 is about 6193.2760313101. The cubic root of 38356668 is about 337.2461168842.

The spelling of 38356668 in words is "thirty-eight million, three hundred fifty-six thousand, six hundred sixty-eight".