1384033680 has 60 divisors (see below), whose sum is σ = 4648048860. Its totient is φ = 369075456.

The previous prime is 1384033669. The next prime is 1384033727. The reversal of 1384033680 is 863304831.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 919544976 + 464488704 = 30324^2 + 21552^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 960415 + ... + 961854.

It is an arithmetic number, because the mean of its divisors is an integer number (77467481).

Almost surely, 2^1384033680 is an apocalyptic number.

1384033680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1384033680 is an abundant number, since it is smaller than the sum of its proper divisors (3264015180).

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

1384033680 is a wasteful number, since it uses less digits than its factorization.

1384033680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922288 (or 1922279 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1384033680 is about 37202.6031347270. The cubic root of 1384033680 is about 1114.4199708618.

The spelling of 1384033680 in words is "one billion, three hundred eighty-four million, thirty-three thousand, six hundred eighty".