1634313798 has 96 divisors (see below), whose sum is σ = 3920821632. Its totient is φ = 488851200.

The previous prime is 1634313797. The next prime is 1634313817. The reversal of 1634313798 is 8973134361.

1634313798 is a `hidden beast` number, since 1 + 634 + 3 + 1 + 3 + 7 + 9 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634313797) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1990228 + ... + 1991048.

It is an arithmetic number, because the mean of its divisors is an integer number (40841892).

Almost surely, 2^1634313798 is an apocalyptic number.

1634313798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1634313798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1960410816).

1634313798 is an abundant number, since it is smaller than the sum of its proper divisors (2286507834).

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

1634313798 is a wasteful number, since it uses less digits than its factorization.

1634313798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070 (or 1067 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 1634313798 is about 40426.6471278537. The cubic root of 1634313798 is about 1177.9092052820.

The spelling of 1634313798 in words is "one billion, six hundred thirty-four million, three hundred thirteen thousand, seven hundred ninety-eight".