1634401712 has 20 divisors (see below), whose sum is σ = 3304334640. Its totient is φ = 781670208.

The previous prime is 1634401579. The next prime is 1634401733. The reversal of 1634401712 is 2171044361.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2220287 + ... + 2221022.

It is an arithmetic number, because the mean of its divisors is an integer number (165216732).

Almost surely, 2^1634401712 is an apocalyptic number.

It is an amenable number.

1634401712 is an abundant number, since it is smaller than the sum of its proper divisors (1669932928).

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

1634401712 is a wasteful number, since it uses less digits than its factorization.

1634401712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441340 (or 4441334 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1634401712 is about 40427.7344406040. The cubic root of 1634401712 is about 1177.9303258390.

The spelling of 1634401712 in words is "one billion, six hundred thirty-four million, four hundred one thousand, seven hundred twelve".