1947652216 has 32 divisors (see below), whose sum is σ = 3670077600. Its totient is φ = 968980480.

The previous prime is 1947652211. The next prime is 1947652241. The reversal of 1947652216 is 6122567491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1947652211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2096040 + ... + 2096968.

It is an arithmetic number, because the mean of its divisors is an integer number (114689925).

Almost surely, 2^1947652216 is an apocalyptic number.

It is an amenable number.

1947652216 is a deficient number, since it is larger than the sum of its proper divisors (1722425384).

1947652216 is a wasteful number, since it uses less digits than its factorization.

1947652216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959 (or 1955 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 1947652216 is about 44132.2129062208. The cubic root of 1947652216 is about 1248.8313805500.

The spelling of 1947652216 in words is "one billion, nine hundred forty-seven million, six hundred fifty-two thousand, two hundred sixteen".