1471661928 has 192 divisors, whose sum is σ = 4513766400. Its totient is φ = 429287040.

The previous prime is 1471661897. The next prime is 1471661953. The reversal of 1471661928 is 8291661741.

1471661928 is a `hidden beast` number, since 1 + 4 + 7 + 1 + 6 + 619 + 28 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2690151 + ... + 2690697.

It is an arithmetic number, because the mean of its divisors is an integer number (23509200).

Almost surely, 2^1471661928 is an apocalyptic number.

1471661928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1471661928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2256883200).

1471661928 is an abundant number, since it is smaller than the sum of its proper divisors (3042104472).

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

1471661928 is a wasteful number, since it uses less digits than its factorization.

1471661928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 685 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 1471661928 is about 38362.2461281922. The cubic root of 1471661928 is about 1137.4596990592.

The spelling of 1471661928 in words is "one billion, four hundred seventy-one million, six hundred sixty-one thousand, nine hundred twenty-eight".