1384811264 has 72 divisors (see below), whose sum is σ = 2851380000. Its totient is φ = 670924800.

The previous prime is 1384811251. The next prime is 1384811273. The reversal of 1384811264 is 4621184831.

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, 1108112 + ... + 1109360.

It is an arithmetic number, because the mean of its divisors is an integer number (39602500).

Almost surely, 2^1384811264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1384811264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1425690000).

1384811264 is an abundant number, since it is smaller than the sum of its proper divisors (1466568736).

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

1384811264 is an equidigital number, since it uses as much as digits as its factorization.

1384811264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397 (or 1383 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 1384811264 is about 37213.0523338250. The cubic root of 1384811264 is about 1114.6286345954.

The spelling of 1384811264 in words is "one billion, three hundred eighty-four million, eight hundred eleven thousand, two hundred sixty-four".