3939520534 has 32 divisors (see below), whose sum is σ = 6599685600. Its totient is φ = 1752721920.

The previous prime is 3939520513. The next prime is 3939520537. The reversal of 3939520534 is 4350259393.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3939520537) 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, 322824 + ... + 334804.

It is an arithmetic number, because the mean of its divisors is an integer number (206240175).

Almost surely, 2^3939520534 is an apocalyptic number.

3939520534 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3939520534 is a deficient number, since it is larger than the sum of its proper divisors (2660165066).

3939520534 is a wasteful number, since it uses less digits than its factorization.

3939520534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12528.

The product of its (nonzero) digits is 437400, while the sum is 43.

The square root of 3939520534 is about 62765.5999254369. The cubic root of 3939520534 is about 1579.3599573385.

The spelling of 3939520534 in words is "three billion, nine hundred thirty-nine million, five hundred twenty thousand, five hundred thirty-four".