38727620 has 12 divisors (see below), whose sum is σ = 81328044. Its totient is φ = 15491040.

The previous prime is 38727613. The next prime is 38727631. The reversal of 38727620 is 2672783.

It can be written as a sum of positive squares in 2 ways, for example, as 16581184 + 22146436 = 4072^2 + 4706^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968171 + ... + 968210.

It is an arithmetic number, because the mean of its divisors is an integer number (6777337).

Almost surely, 2^38727620 is an apocalyptic number.

It is an amenable number.

38727620 is an abundant number, since it is smaller than the sum of its proper divisors (42600424).

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

38727620 is a wasteful number, since it uses less digits than its factorization.

38727620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936390 (or 1936388 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 38727620 is about 6223.1519345104. The cubic root of 38727620 is about 338.3298135694.

The spelling of 38727620 in words is "thirty-eight million, seven hundred twenty-seven thousand, six hundred twenty".