1971470948 has 12 divisors (see below), whose sum is σ = 3452245692. Its totient is φ = 985115040.

The previous prime is 1971470933. The next prime is 1971470957. The reversal of 1971470948 is 8490741791.

It can be written as a sum of positive squares in 2 ways, for example, as 335915584 + 1635555364 = 18328^2 + 40442^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1971470896 and 1971470905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147923 + ... + 160698.

It is an arithmetic number, because the mean of its divisors is an integer number (287687141).

Almost surely, 2^1971470948 is an apocalyptic number.

It is an amenable number.

1971470948 is a deficient number, since it is larger than the sum of its proper divisors (1480774744).

1971470948 is a wasteful number, since it uses less digits than its factorization.

1971470948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310222 (or 310220 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 50.

The square root of 1971470948 is about 44401.2493968357. The cubic root of 1971470948 is about 1253.9016115117.

The spelling of 1971470948 in words is "one billion, nine hundred seventy-one million, four hundred seventy thousand, nine hundred forty-eight".