1828400194 has 16 divisors (see below), whose sum is σ = 2813684832. Its totient is φ = 890807328.

The previous prime is 1828400183. The next prime is 1828400227. The reversal of 1828400194 is 4910048281.

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, 63324 + ... + 87559.

It is an arithmetic number, because the mean of its divisors is an integer number (175855302).

Almost surely, 2^1828400194 is an apocalyptic number.

1828400194 is a deficient number, since it is larger than the sum of its proper divisors (985284638).

1828400194 is a wasteful number, since it uses less digits than its factorization.

1828400194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151041.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 1828400194 is about 42759.7964681779. The cubic root of 1828400194 is about 1222.8046631467.

The spelling of 1828400194 in words is "one billion, eight hundred twenty-eight million, four hundred thousand, one hundred ninety-four".