1634334630 has 32 divisors (see below), whose sum is σ = 3931750368. Its totient is φ = 434784000.

The previous prime is 1634334623. The next prime is 1634334671. The reversal of 1634334630 is 364334361.

It is a junction number, because it is equal to n+sod(n) for n = 1634334591 and 1634334600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52071 + ... + 77330.

It is an arithmetic number, because the mean of its divisors is an integer number (122867199).

Almost surely, 2^1634334630 is an apocalyptic number.

1634334630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1634334630 is an abundant number, since it is smaller than the sum of its proper divisors (2297415738).

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

1634334630 is a wasteful number, since it uses less digits than its factorization.

1634334630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129832.

The product of its (nonzero) digits is 46656, while the sum is 33.

The square root of 1634334630 is about 40426.9047788722. The cubic root of 1634334630 is about 1177.9142100533.

Adding to 1634334630 its reverse (364334361), we get a palindrome (1998668991).

The spelling of 1634334630 in words is "one billion, six hundred thirty-four million, three hundred thirty-four thousand, six hundred thirty".