1634454632 has 16 divisors (see below), whose sum is σ = 3225897600. Its totient is φ = 774215280.

The previous prime is 1634454631. The next prime is 1634454637. The reversal of 1634454632 is 2364544361.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (1634454631) 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, 5376344 + ... + 5376647.

It is an arithmetic number, because the mean of its divisors is an integer number (201618600).

Almost surely, 2^1634454632 is an apocalyptic number.

It is an amenable number.

1634454632 is a deficient number, since it is larger than the sum of its proper divisors (1591442968).

1634454632 is a wasteful number, since it uses less digits than its factorization.

1634454632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10753016 (or 10753012 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The square root of 1634454632 is about 40428.3889364887. The cubic root of 1634454632 is about 1177.9430390334.

Adding to 1634454632 its reverse (2364544361), we get a palindrome (3998998993).

The spelling of 1634454632 in words is "one billion, six hundred thirty-four million, four hundred fifty-four thousand, six hundred thirty-two".