1947960039 has 24 divisors (see below), whose sum is σ = 2667857920. Its totient is φ = 1264210272.

The previous prime is 1947960029. The next prime is 1947960041. The reversal of 1947960039 is 9300697491.

1947960039 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1947960039 - 2⁴ = 1947960023 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1947960039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1947960029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1170522 + ... + 1172184.

Almost surely, 2^1947960039 is an apocalyptic number.

1947960039 is a deficient number, since it is larger than the sum of its proper divisors (719897881).

1947960039 is a wasteful number, since it uses less digits than its factorization.

1947960039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911 (or 1858 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 1947960039 is about 44135.7002776664. The cubic root of 1947960039 is about 1248.8971689504.

The spelling of 1947960039 in words is "one billion, nine hundred forty-seven million, nine hundred sixty thousand, thirty-nine".