1797894414 has 64 divisors (see below), whose sum is σ = 4220282880. Its totient is φ = 566455680.

The previous prime is 1797894409. The next prime is 1797894451. The reversal of 1797894414 is 4144987971.

1797894414 is a `hidden beast` number, since 1 + 79 + 78 + 94 + 414 = 666.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59494 + ... + 84470.

It is an arithmetic number, because the mean of its divisors is an integer number (65941920).

Almost surely, 2^1797894414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1797894414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2110141440).

1797894414 is an abundant number, since it is smaller than the sum of its proper divisors (2422388466).

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

1797894414 is a wasteful number, since it uses less digits than its factorization.

1797894414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25062 (or 25056 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 1797894414 is about 42401.5850411279. The cubic root of 1797894414 is about 1215.9658955513.

The spelling of 1797894414 in words is "one billion, seven hundred ninety-seven million, eight hundred ninety-four thousand, four hundred fourteen".