38662720 has 56 divisors (see below), whose sum is σ = 96926400. Its totient is φ = 14648832.

The previous prime is 38662703. The next prime is 38662727. The reversal of 38662720 is 2726683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38662727) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2901 + ... + 9259.

Almost surely, 2^38662720 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 38662720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48463200).

38662720 is an abundant number, since it is smaller than the sum of its proper divisors (58263680).

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

38662720 is a wasteful number, since it uses less digits than its factorization.

38662720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395 (or 6385 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 38662720 is about 6217.9353486507. The cubic root of 38662720 is about 338.1407161251.

The spelling of 38662720 in words is "thirty-eight million, six hundred sixty-two thousand, seven hundred twenty".