382649 has 2 divisors, whose sum is σ = 382650. Its totient is φ = 382648.

The previous prime is 382643. The next prime is 382661. The reversal of 382649 is 946283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322624 + 60025 = 568^2 + 245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-382649 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (382643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191324 + 191325.

It is an arithmetic number, because the mean of its divisors is an integer number (191325).

2³⁸²⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

382649 is a deficient number, since it is larger than the sum of its proper divisors (1).

382649 is an equidigital number, since it uses as much as digits as its factorization.

382649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 382649 is about 618.5862914744. The cubic root of 382649 is about 72.5994829298.

The spelling of 382649 in words is "three hundred eighty-two thousand, six hundred forty-nine".