1898082428 has 48 divisors (see below), whose sum is σ = 3704641920. Its totient is φ = 843585600.

The previous prime is 1898082427. The next prime is 1898082443. The reversal of 1898082428 is 8242808981.

It is a happy number.

It is a super-3 number, since 3×1898082428³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1898082427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770663 + ... + 773121.

It is an arithmetic number, because the mean of its divisors is an integer number (77180040).

Almost surely, 2^1898082428 is an apocalyptic number.

It is an amenable number.

1898082428 is a deficient number, since it is larger than the sum of its proper divisors (1806559492).

1898082428 is a wasteful number, since it uses less digits than its factorization.

1898082428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858 (or 2856 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 50.

The square root of 1898082428 is about 43566.9878233508. The cubic root of 1898082428 is about 1238.1455170177.

The spelling of 1898082428 in words is "one billion, eight hundred ninety-eight million, eighty-two thousand, four hundred twenty-eight".