38604720 has 160 divisors (see below), whose sum is σ = 149276160. Its totient is φ = 8017920.

The previous prime is 38604697. The next prime is 38604721. The reversal of 38604720 is 2740683.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (38604721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17436 + ... + 19524.

It is an arithmetic number, because the mean of its divisors is an integer number (932976).

Almost surely, 2^38604720 is an apocalyptic number.

38604720 is a gapful number since it is divisible by the number (30) 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 38604720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74638080).

38604720 is an abundant number, since it is smaller than the sum of its proper divisors (110671440).

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

38604720 is a wasteful number, since it uses less digits than its factorization.

38604720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123 (or 2117 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 38604720 is about 6213.2696706324. The cubic root of 38604720 is about 337.9715438854.

The spelling of 38604720 in words is "thirty-eight million, six hundred four thousand, seven hundred twenty".