38505442 has 16 divisors (see below), whose sum is σ = 61766712. Its totient is φ = 17939200.

The previous prime is 38505433. The next prime is 38505463. The reversal of 38505442 is 24450583.

38505442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 36252441 + 2253001 = 6021^2 + 1501^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2173 + ... + 9040.

Almost surely, 2^38505442 is an apocalyptic number.

38505442 is a deficient number, since it is larger than the sum of its proper divisors (23261270).

38505442 is a wasteful number, since it uses less digits than its factorization.

38505442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11333.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 38505442 is about 6205.2753363570. The cubic root of 38505442 is about 337.6815798391.

The spelling of 38505442 in words is "thirty-eight million, five hundred five thousand, four hundred forty-two".