1382776434 has 96 divisors (see below), whose sum is σ = 3461814720. Its totient is φ = 410743872.

The previous prime is 1382776429. The next prime is 1382776453. The reversal of 1382776434 is 4346772831.

It is a self number, because there is not a number n which added to its sum of digits gives 1382776434.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179449 + ... + 186995.

It is an arithmetic number, because the mean of its divisors is an integer number (36060570).

Almost surely, 2^1382776434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1382776434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1730907360).

1382776434 is an abundant number, since it is smaller than the sum of its proper divisors (2079038286).

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

1382776434 is a wasteful number, since it uses less digits than its factorization.

1382776434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7606 (or 7594 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 1382776434 is about 37185.7020103157. The cubic root of 1382776434 is about 1114.0824250023.

The spelling of 1382776434 in words is "one billion, three hundred eighty-two million, seven hundred seventy-six thousand, four hundred thirty-four".