38558442 has 32 divisors (see below), whose sum is σ = 86663808. Its totient is φ = 11347776.

The previous prime is 38558441. The next prime is 38558473. The reversal of 38558442 is 24485583.

38558442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 38558442.

It is not an unprimeable number, because it can be changed into a prime (38558441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8953 + ... + 12540.

It is an arithmetic number, because the mean of its divisors is an integer number (2708244).

Almost surely, 2^38558442 is an apocalyptic number.

38558442 is an abundant number, since it is smaller than the sum of its proper divisors (48105366).

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

38558442 is a wasteful number, since it uses less digits than its factorization.

38558442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21534.

The product of its digits is 153600, while the sum is 39.

The square root of 38558442 is about 6209.5444277338. The cubic root of 38558442 is about 337.8364403618.

The spelling of 38558442 in words is "thirty-eight million, five hundred fifty-eight thousand, four hundred forty-two".