38701620 has 72 divisors (see below), whose sum is σ = 118067040. Its totient is φ = 10261440.

The previous prime is 38701589. The next prime is 38701627. The reversal of 38701620 is 2610783.

38701620 is a `hidden beast` number, since 38 + 7 + 0 + 1 + 620 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38701627) 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 23 ways as a sum of consecutive naturals, for example, 37471 + ... + 38489.

It is an arithmetic number, because the mean of its divisors is an integer number (1639820).

Almost surely, 2^38701620 is an apocalyptic number.

38701620 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 38701620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59033520).

38701620 is an abundant number, since it is smaller than the sum of its proper divisors (79365420).

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

38701620 is a wasteful number, since it uses less digits than its factorization.

38701620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245 (or 1240 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 38701620 is about 6221.0626101977. The cubic root of 38701620 is about 338.2540834278.

The spelling of 38701620 in words is "thirty-eight million, seven hundred one thousand, six hundred twenty".