1634227992 has 48 divisors (see below), whose sum is σ = 4568815680. Its totient is φ = 527169600.

The previous prime is 1634227957. The next prime is 1634228017. The reversal of 1634227992 is 2997224361.

1634227992 is a `hidden beast` number, since 1 + 634 + 2 + 2 + 7 + 9 + 9 + 2 = 666.

It is a super-2 number, since 2×1634227992² = 5341402259672704128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363859 + ... + 368322.

It is an arithmetic number, because the mean of its divisors is an integer number (95183660).

Almost surely, 2^1634227992 is an apocalyptic number.

1634227992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1634227992 is an abundant number, since it is smaller than the sum of its proper divisors (2934587688).

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

1634227992 is a wasteful number, since it uses less digits than its factorization.

1634227992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732224 (or 732217 counting only the distinct ones).

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

The square root of 1634227992 is about 40425.5858584634. The cubic root of 1634227992 is about 1177.8885904229. Note that the first 3 decimals are identical.

The spelling of 1634227992 in words is "one billion, six hundred thirty-four million, two hundred twenty-seven thousand, nine hundred ninety-two".