3929961607 has 16 divisors (see below), whose sum is σ = 4704140448. Its totient is φ = 3235639680.

The previous prime is 3929961547. The next prime is 3929961613. The reversal of 3929961607 is 7061699293.

It is a de Polignac number, because none of the positive numbers 2^k-3929961607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3929967607) 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, 251688 + ... + 266845.

It is an arithmetic number, because the mean of its divisors is an integer number (294008778).

Almost surely, 2^3929961607 is an apocalyptic number.

3929961607 is a deficient number, since it is larger than the sum of its proper divisors (774178841).

3929961607 is a wasteful number, since it uses less digits than its factorization.

3929961607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518610.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The square root of 3929961607 is about 62689.4058593635. The cubic root of 3929961607 is about 1578.0815265047.

The spelling of 3929961607 in words is "three billion, nine hundred twenty-nine million, nine hundred sixty-one thousand, six hundred seven".