1034638188 has 12 divisors (see below), whose sum is σ = 2414155800. Its totient is φ = 344879392.

The previous prime is 1034638169. The next prime is 1034638201. The reversal of 1034638188 is 8818364301.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43109913 + ... + 43109936.

It is an arithmetic number, because the mean of its divisors is an integer number (201179650).

Almost surely, 2^1034638188 is an apocalyptic number.

It is an amenable number.

1034638188 is an abundant number, since it is smaller than the sum of its proper divisors (1379517612).

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

1034638188 is a wasteful number, since it uses less digits than its factorization.

1034638188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86219856 (or 86219854 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 1034638188 is about 32165.7922022760. The cubic root of 1034638188 is about 1011.4152587018.

The spelling of 1034638188 in words is "one billion, thirty-four million, six hundred thirty-eight thousand, one hundred eighty-eight".