1928466 has 12 divisors (see below), whose sum is σ = 4178382. Its totient is φ = 642816.

The previous prime is 1928449. The next prime is 1928467. The reversal of 1928466 is 6648291.

1928466 is a `hidden beast` number, since 192 + 8 + 466 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1334025 + 594441 = 1155^2 + 771^2 .

It is a super-2 number, since 2×1928466² = 7437962226312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1928466.

It is not an unprimeable number, because it can be changed into a prime (1928467) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 53551 + ... + 53586.

2^1928466 is an apocalyptic number.

1928466 is an abundant number, since it is smaller than the sum of its proper divisors (2249916).

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

1928466 is a wasteful number, since it uses less digits than its factorization.

1928466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107145 (or 107142 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1928466 is about 1388.6921905160. The cubic root of 1928466 is about 124.4717117711.

The spelling of 1928466 in words is "one million, nine hundred twenty-eight thousand, four hundred sixty-six".