384891948 has 36 divisors (see below), whose sum is σ = 1111910800. Its totient is φ = 109969056.

The previous prime is 384891943. The next prime is 384891961. The reversal of 384891948 is 849198483.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 384891894 and 384891903.

It is not an unprimeable number, because it can be changed into a prime (384891943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 763423 + ... + 763926.

Almost surely, 2^384891948 is an apocalyptic number.

It is an amenable number.

384891948 is an abundant number, since it is smaller than the sum of its proper divisors (727018852).

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

384891948 is a wasteful number, since it uses less digits than its factorization.

384891948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527366 (or 1527361 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 384891948 is about 19618.6632572151. The cubic root of 384891948 is about 727.4105717828.

The spelling of 384891948 in words is "three hundred eighty-four million, eight hundred ninety-one thousand, nine hundred forty-eight".