3939605471 has 16 divisors (see below), whose sum is σ = 4087646208. Its totient is φ = 3794448000.

The previous prime is 3939605459. The next prime is 3939605477. The reversal of 3939605471 is 1745069393.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3939605471 is a prime.

It is a super-3 number, since 3×3939605471³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3939605477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3279671 + ... + 3280871.

It is an arithmetic number, because the mean of its divisors is an integer number (255477888).

Almost surely, 2^3939605471 is an apocalyptic number.

3939605471 is a deficient number, since it is larger than the sum of its proper divisors (148040737).

3939605471 is a wasteful number, since it uses less digits than its factorization.

3939605471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302.

The product of its (nonzero) digits is 612360, while the sum is 47.

The square root of 3939605471 is about 62766.2765424236. The cubic root of 3939605471 is about 1579.3713077157.

The spelling of 3939605471 in words is "three billion, nine hundred thirty-nine million, six hundred five thousand, four hundred seventy-one".