382212738 has 96 divisors (see below), whose sum is σ = 883509120. Its totient is φ = 119266560.

The previous prime is 382212737. The next prime is 382212739. The reversal of 382212738 is 837212283.

It is a happy number.

382212738 is a `hidden beast` number, since 382 + 2 + 1 + 273 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (382212737) and next prime (382212739).

It is not an unprimeable number, because it can be changed into a prime (382212737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2789806 + ... + 2789942.

It is an arithmetic number, because the mean of its divisors is an integer number (9203220).

Almost surely, 2^382212738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 382212738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441754560).

382212738 is an abundant number, since it is smaller than the sum of its proper divisors (501296382).

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

382212738 is a wasteful number, since it uses less digits than its factorization.

382212738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 309 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 382212738 is about 19550.2618396788. The cubic root of 382212738 is about 725.7188196923.

The spelling of 382212738 in words is "three hundred eighty-two million, two hundred twelve thousand, seven hundred thirty-eight".