38406744 has 64 divisors (see below), whose sum is σ = 107244000. Its totient is φ = 12735360.

The previous prime is 38406727. The next prime is 38406751. The reversal of 38406744 is 44760483.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 38406699 and 38406708.

It is a congruent number.

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, 57774 + ... + 58434.

Almost surely, 2^38406744 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 38406744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53622000).

38406744 is an abundant number, since it is smaller than the sum of its proper divisors (68837256).

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

38406744 is a wasteful number, since it uses less digits than its factorization.

38406744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 935 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 38406744 is about 6197.3174842023. The cubic root of 38406744 is about 337.3928153462.

The spelling of 38406744 in words is "thirty-eight million, four hundred six thousand, seven hundred forty-four".