39349538 has 16 divisors (see below), whose sum is σ = 59979960. Its totient is φ = 19358976.

The previous prime is 39349529. The next prime is 39349561. The reversal of 39349538 is 83594393.

It can be written as a sum of positive squares in 4 ways, for example, as 6436369 + 32913169 = 2537^2 + 5737^2 .

It is a super-2 number, since 2×39349538² = 3096772281626888, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 34928 + ... + 36036.

Almost surely, 2^39349538 is an apocalyptic number.

39349538 is a deficient number, since it is larger than the sum of its proper divisors (20630422).

39349538 is a wasteful number, since it uses less digits than its factorization.

39349538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381.

The product of its digits is 349920, while the sum is 44.

The square root of 39349538 is about 6272.9210101834. The cubic root of 39349538 is about 340.1312584325.

The spelling of 39349538 in words is "thirty-nine million, three hundred forty-nine thousand, five hundred thirty-eight".