368649 has 6 divisors (see below), whose sum is σ = 532506. Its totient is φ = 245760.

The previous prime is 368647. The next prime is 368651. The reversal of 368649 is 946863.

368649 is a `hidden beast` number, since 3 + 6 + 8 + 649 = 666.

It is an interprime number because it is at equal distance from previous prime (368647) and next prime (368651).

It can be written as a sum of positive squares in only one way, i.e., 360000 + 8649 = 600^2 + 93^2 .

It is not a de Polignac number, because 368649 - 2¹ = 368647 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 368649.

It is not an unprimeable number, because it can be changed into a prime (368647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20472 + ... + 20489.

It is an arithmetic number, because the mean of its divisors is an integer number (88751).

2³⁶⁸⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

368649 is a deficient number, since it is larger than the sum of its proper divisors (163857).

368649 is a wasteful number, since it uses less digits than its factorization.

368649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40967 (or 40964 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 368649 is about 607.1647222954. The cubic root of 368649 is about 71.7030594564.

It can be divided in two parts, 36864 and 9, that multiplied together give a 4-th power (331776 = 24⁴).

The spelling of 368649 in words is "three hundred sixty-eight thousand, six hundred forty-nine".