3640382 has 8 divisors (see below), whose sum is σ = 5511000. Its totient is φ = 1803384.

The previous prime is 3640379. The next prime is 3640391. The reversal of 3640382 is 2830463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3640382² = 26504762211848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8132 + ... + 8567.

It is an arithmetic number, because the mean of its divisors is an integer number (688875).

Almost surely, 2^3640382 is an apocalyptic number.

3640382 is a deficient number, since it is larger than the sum of its proper divisors (1870618).

3640382 is a wasteful number, since it uses less digits than its factorization.

3640382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16810.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 3640382 is about 1907.9785114094. The cubic root of 3640382 is about 153.8328145742.

The spelling of 3640382 in words is "three million, six hundred forty thousand, three hundred eighty-two".