38558772 has 72 divisors (see below), whose sum is σ = 113533056. Its totient is φ = 10805184.

The previous prime is 38558743. The next prime is 38558813. The reversal of 38558772 is 27785583.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 11913 + ... + 14799.

It is an arithmetic number, because the mean of its divisors is an integer number (1576848).

Almost surely, 2^38558772 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 38558772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56766528).

38558772 is an abundant number, since it is smaller than the sum of its proper divisors (74974284).

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

38558772 is a wasteful number, since it uses less digits than its factorization.

38558772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957 (or 2952 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 38558772 is about 6209.5709996746. The cubic root of 38558772 is about 337.8374041431.

The spelling of 38558772 in words is "thirty-eight million, five hundred fifty-eight thousand, seven hundred seventy-two".