1382105646 has 16 divisors (see below), whose sum is σ = 3071346000. Its totient is φ = 460701864.

The previous prime is 1382105639. The next prime is 1382105671. The reversal of 1382105646 is 6465012831.

It is a happy number.

1382105646 is a `hidden beast` number, since 1 + 3 + 8 + 2 + 1 + 0 + 5 + 646 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1382105646.

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, 12797221 + ... + 12797328.

It is an arithmetic number, because the mean of its divisors is an integer number (191959125).

Almost surely, 2^1382105646 is an apocalyptic number.

1382105646 is an abundant number, since it is smaller than the sum of its proper divisors (1689240354).

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

1382105646 is a wasteful number, since it uses less digits than its factorization.

1382105646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25594560 (or 25594554 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1382105646 is about 37176.6814818106. The cubic root of 1382105646 is about 1113.9022478897.

The spelling of 1382105646 in words is "one billion, three hundred eighty-two million, one hundred five thousand, six hundred forty-six".