1428473106 has 24 divisors (see below), whose sum is σ = 3097983564. Its totient is φ = 475702560.

The previous prime is 1428473099. The next prime is 1428473117. The reversal of 1428473106 is 6013748241.

It can be written as a sum of positive squares in 2 ways, for example, as 1362717225 + 65755881 = 36915^2 + 8109^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18301 + ... + 56496.

Almost surely, 2^1428473106 is an apocalyptic number.

1428473106 is an abundant number, since it is smaller than the sum of its proper divisors (1669510458).

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

1428473106 is a wasteful number, since it uses less digits than its factorization.

1428473106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75866 (or 75863 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 1428473106 is about 37795.1465931805. The cubic root of 1428473106 is about 1126.2220415470. Note that the first 3 decimals are identical.

The spelling of 1428473106 in words is "one billion, four hundred twenty-eight million, four hundred seventy-three thousand, one hundred six".