39481738 has 16 divisors (see below), whose sum is σ = 61860960. Its totient is φ = 18879696.

The previous prime is 39481733. The next prime is 39481747. The reversal of 39481738 is 83718493.

It is a happy number.

It is a super-3 number, since 3×39481738³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39481694 and 39481703.

It is not an unprimeable number, because it can be changed into a prime (39481733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156 + ... + 8887.

It is an arithmetic number, because the mean of its divisors is an integer number (3866310).

Almost surely, 2^39481738 is an apocalyptic number.

39481738 is a deficient number, since it is larger than the sum of its proper divisors (22379222).

39481738 is a wasteful number, since it uses less digits than its factorization.

39481738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9141.

The product of its digits is 145152, while the sum is 43.

The square root of 39481738 is about 6283.4495303137. The cubic root of 39481738 is about 340.5117380411.

The spelling of 39481738 in words is "thirty-nine million, four hundred eighty-one thousand, seven hundred thirty-eight".