1898030148 has 96 divisors (see below), whose sum is σ = 5213666304. Its totient is φ = 526151808.

The previous prime is 1898030143. The next prime is 1898030159. The reversal of 1898030148 is 8410308981.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1898030143) 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 31 ways as a sum of consecutive naturals, for example, 565411 + ... + 568757.

It is an arithmetic number, because the mean of its divisors is an integer number (54309024).

Almost surely, 2^1898030148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1898030148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2606833152).

1898030148 is an abundant number, since it is smaller than the sum of its proper divisors (3315636156).

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

1898030148 is a wasteful number, since it uses less digits than its factorization.

1898030148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561 (or 3559 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 1898030148 is about 43566.3878236422. The cubic root of 1898030148 is about 1238.1341492567.

The spelling of 1898030148 in words is "one billion, eight hundred ninety-eight million, thirty thousand, one hundred forty-eight".