1634228379 has 40 divisors (see below), whose sum is σ = 2817727968. Its totient is φ = 924566400.

The previous prime is 1634228359. The next prime is 1634228381. The reversal of 1634228379 is 9738224361.

1634228379 is a `hidden beast` number, since 1 + 634 + 2 + 2 + 8 + 3 + 7 + 9 = 666.

It is not a de Polignac number, because 1634228379 - 2¹⁶ = 1634162843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1634228359) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42999 + ... + 71535.

Almost surely, 2^1634228379 is an apocalyptic number.

1634228379 is a deficient number, since it is larger than the sum of its proper divisors (1183499589).

1634228379 is a wasteful number, since it uses less digits than its factorization.

1634228379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28657 (or 28648 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 1634228379 is about 40425.5906450357. The cubic root of 1634228379 is about 1177.8886834011. Note that the first 3 decimals are identical.

The spelling of 1634228379 in words is "one billion, six hundred thirty-four million, two hundred twenty-eight thousand, three hundred seventy-nine".