1634380346 has 8 divisors (see below), whose sum is σ = 2455706484. Its totient is φ = 815811520.

The previous prime is 1634380343. The next prime is 1634380367. The reversal of 1634380346 is 6430834361.

It can be written as a sum of positive squares in 2 ways, for example, as 1620948121 + 13432225 = 40261^2 + 3665^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1634380343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687845 + ... + 690216.

Almost surely, 2^1634380346 is an apocalyptic number.

1634380346 is a deficient number, since it is larger than the sum of its proper divisors (821326138).

1634380346 is a wasteful number, since it uses less digits than its factorization.

1634380346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378656.

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 1634380346 is about 40427.4701904534. The cubic root of 1634380346 is about 1177.9251929171.

The spelling of 1634380346 in words is "one billion, six hundred thirty-four million, three hundred eighty thousand, three hundred forty-six".