1634145396 has 48 divisors (see below), whose sum is σ = 4183812864. Its totient is φ = 493324416.

The previous prime is 1634145391. The next prime is 1634145413. The reversal of 1634145396 is 6935414361.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634145391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90556 + ... + 107091.

It is an arithmetic number, because the mean of its divisors is an integer number (87162768).

Almost surely, 2^1634145396 is an apocalyptic number.

It is an amenable number.

1634145396 is an abundant number, since it is smaller than the sum of its proper divisors (2549667468).

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

1634145396 is a wasteful number, since it uses less digits than its factorization.

1634145396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197720 (or 197718 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 1634145396 is about 40424.5642648130. The cubic root of 1634145396 is about 1177.8687460834.

The spelling of 1634145396 in words is "one billion, six hundred thirty-four million, one hundred forty-five thousand, three hundred ninety-six".