1808864148 has 96 divisors (see below), whose sum is σ = 5248547584. Its totient is φ = 472117248.

The previous prime is 1808864147. The next prime is 1808864149. The reversal of 1808864148 is 8414688081.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1808864147) and next prime (1808864149).

It is a junction number, because it is equal to n+sod(n) for n = 1808864097 and 1808864106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1808864147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97386 + ... + 114462.

Almost surely, 2^1808864148 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 1808864148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2624273792).

1808864148 is an abundant number, since it is smaller than the sum of its proper divisors (3439683436).

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

1808864148 is a wasteful number, since it uses less digits than its factorization.

1808864148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17201 (or 17199 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 48.

The square root of 1808864148 is about 42530.7435627453. The cubic root of 1808864148 is about 1218.4339280195.

The spelling of 1808864148 in words is "one billion, eight hundred eight million, eight hundred sixty-four thousand, one hundred forty-eight".