39481937 has 12 divisors (see below), whose sum is σ = 43594740. Its totient is φ = 35729760.

The previous prime is 39481933. The next prime is 39481957. The reversal of 39481937 is 73918493.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2076481 + 37405456 = 1441^2 + 6116^2 .

It is not a de Polignac number, because 39481937 - 2² = 39481933 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39481931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31943 + ... + 33155.

It is an arithmetic number, because the mean of its divisors is an integer number (3632895).

Almost surely, 2^39481937 is an apocalyptic number.

It is an amenable number.

39481937 is a deficient number, since it is larger than the sum of its proper divisors (4112803).

39481937 is a wasteful number, since it uses less digits than its factorization.

39481937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504 (or 1493 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 39481937 is about 6283.4653655447. The cubic root of 39481937 is about 340.5123101345.

It can be divided in two parts, 3948 and 1937, that added together give a palindrome (5885).

The spelling of 39481937 in words is "thirty-nine million, four hundred eighty-one thousand, nine hundred thirty-seven".