1428858194 has 24 divisors (see below), whose sum is σ = 2281132800. Its totient is φ = 671118656.

The previous prime is 1428858161. The next prime is 1428858247. The reversal of 1428858194 is 4918588241.

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, 344159 + ... + 348285.

It is an arithmetic number, because the mean of its divisors is an integer number (95047200).

Almost surely, 2^1428858194 is an apocalyptic number.

1428858194 is a deficient number, since it is larger than the sum of its proper divisors (852274606).

1428858194 is a wasteful number, since it uses less digits than its factorization.

1428858194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762 (or 4745 counting only the distinct ones).

The product of its digits is 737280, while the sum is 50.

The square root of 1428858194 is about 37800.2406606096. The cubic root of 1428858194 is about 1126.3232348248.

The spelling of 1428858194 in words is "one billion, four hundred twenty-eight million, eight hundred fifty-eight thousand, one hundred ninety-four".