382166840 has 32 divisors (see below), whose sum is σ = 938046960. Its totient is φ = 138969600.

The previous prime is 382166831. The next prime is 382166849. The reversal of 382166840 is 48661283.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (382166831) and next prime (382166849).

It is a junction number, because it is equal to n+sod(n) for n = 382166794 and 382166803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382166849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433841 + ... + 434720.

Almost surely, 2^382166840 is an apocalyptic number.

It is an amenable number.

382166840 is an abundant number, since it is smaller than the sum of its proper divisors (555880120).

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

382166840 is a wasteful number, since it uses less digits than its factorization.

382166840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868583 (or 868579 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 382166840 is about 19549.0879582655. The cubic root of 382166840 is about 725.6897692251.

The spelling of 382166840 in words is "three hundred eighty-two million, one hundred sixty-six thousand, eight hundred forty".