2028471146 has 16 divisors (see below), whose sum is σ = 3356683848. Its totient is φ = 913382400.

The previous prime is 2028471101. The next prime is 2028471157. The reversal of 2028471146 is 6411748202.

It can be written as a sum of positive squares in 4 ways, for example, as 447534025 + 1580937121 = 21155^2 + 39761^2 .

It is a super-2 number, since 2×2028471146² = 8229390380309106632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 950375 + ... + 952506.

Almost surely, 2^2028471146 is an apocalyptic number.

2028471146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2028471146 is a deficient number, since it is larger than the sum of its proper divisors (1328212702).

2028471146 is a wasteful number, since it uses less digits than its factorization.

2028471146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902937.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 2028471146 is about 45038.5517751182. The cubic root of 2028471146 is about 1265.8714687405.

The spelling of 2028471146 in words is "two billion, twenty-eight million, four hundred seventy-one thousand, one hundred forty-six".