1147916438 has 16 divisors (see below), whose sum is σ = 1763087040. Its totient is φ = 560284416.

The previous prime is 1147916389. The next prime is 1147916443. The reversal of 1147916438 is 8346197411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20870 + ... + 52262.

It is an arithmetic number, because the mean of its divisors is an integer number (110192940).

Almost surely, 2^1147916438 is an apocalyptic number.

1147916438 is a deficient number, since it is larger than the sum of its proper divisors (615170602).

1147916438 is a wasteful number, since it uses less digits than its factorization.

1147916438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31831.

The product of its digits is 145152, while the sum is 44.

The square root of 1147916438 is about 33880.9155425292. The cubic root of 1147916438 is about 1047.0564384452.

The spelling of 1147916438 in words is "one billion, one hundred forty-seven million, nine hundred sixteen thousand, four hundred thirty-eight".