1948664208 has 40 divisors (see below), whose sum is σ = 5078612448. Its totient is φ = 643804672.

The previous prime is 1948664189. The next prime is 1948664233. The reversal of 1948664208 is 8024668491.

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 Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174210 + ... + 185057.

Almost surely, 2^1948664208 is an apocalyptic number.

It is an amenable number.

1948664208 is an abundant number, since it is smaller than the sum of its proper divisors (3129948240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1948664208 is a wasteful number, since it uses less digits than its factorization.

1948664208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359391 (or 359385 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 1948664208 is about 44143.6768744970. The cubic root of 1948664208 is about 1249.0476389644.

The spelling of 1948664208 in words is "one billion, nine hundred forty-eight million, six hundred sixty-four thousand, two hundred eight".