1798396344 has 120 divisors (see below), whose sum is σ = 5165606160. Its totient is φ = 586710864.

The previous prime is 1798396337. The next prime is 1798396349. The reversal of 1798396344 is 4436938971.

It is a happy number.

It is a super-2 number, since 2×1798396344² = 6468458820225132672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798396349) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 38263729 + ... + 38263775.

It is an arithmetic number, because the mean of its divisors is an integer number (43046718).

Almost surely, 2^1798396344 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 1798396344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2582803080).

1798396344 is an abundant number, since it is smaller than the sum of its proper divisors (3367209816).

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

1798396344 is an frugal number, since it uses more digits than its factorization.

1798396344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 52 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 1798396344 is about 42407.5033926780. The cubic root of 1798396344 is about 1216.0790414197.

The spelling of 1798396344 in words is "one billion, seven hundred ninety-eight million, three hundred ninety-six thousand, three hundred forty-four".