38406366 has 96 divisors (see below), whose sum is σ = 95489280. Its totient is φ = 11417472.

The previous prime is 38406317. The next prime is 38406373. The reversal of 38406366 is 66360483.

It is a self number, because there is not a number n which added to its sum of digits gives 38406366.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 358885 + ... + 358991.

It is an arithmetic number, because the mean of its divisors is an integer number (994680).

Almost surely, 2^38406366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38406366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47744640).

38406366 is an abundant number, since it is smaller than the sum of its proper divisors (57082914).

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

38406366 is a wasteful number, since it uses less digits than its factorization.

38406366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 38406366 is about 6197.2869870614. The cubic root of 38406366 is about 337.3917084668.

The spelling of 38406366 in words is "thirty-eight million, four hundred six thousand, three hundred sixty-six".