382611640 has 16 divisors (see below), whose sum is σ = 860876280. Its totient is φ = 153044640.

The previous prime is 382611589. The next prime is 382611643. The reversal of 382611640 is 46116283.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382611643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4782606 + ... + 4782685.

Almost surely, 2^382611640 is an apocalyptic number.

It is an amenable number.

382611640 is an abundant number, since it is smaller than the sum of its proper divisors (478264640).

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

382611640 is a wasteful number, since it uses less digits than its factorization.

382611640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9565302 (or 9565298 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 382611640 is about 19560.4611397584. The cubic root of 382611640 is about 725.9712009866.

The spelling of 382611640 in words is "three hundred eighty-two million, six hundred eleven thousand, six hundred forty".