368965649 has 4 divisors (see below), whose sum is σ = 397347636. Its totient is φ = 340583664.

The previous prime is 368965643. The next prime is 368965661. The reversal of 368965649 is 946569863.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 116791249 + 252174400 = 10807^2 + 15880^2 .

It is a cyclic number.

It is not a de Polignac number, because 368965649 - 2²⁴ = 352188433 is a prime.

It is a super-2 number, since 2×368965649² = 272271300283982402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 368965594 and 368965603.

It is not an unprimeable number, because it can be changed into a prime (368965643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14190974 + ... + 14190999.

It is an arithmetic number, because the mean of its divisors is an integer number (99336909).

Almost surely, 2^368965649 is an apocalyptic number.

It is an amenable number.

368965649 is a deficient number, since it is larger than the sum of its proper divisors (28381987).

368965649 is a wasteful number, since it uses less digits than its factorization.

368965649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28381986.

The product of its digits is 8398080, while the sum is 56.

The square root of 368965649 is about 19208.4785706729. The cubic root of 368965649 is about 717.2358322878.

The spelling of 368965649 in words is "three hundred sixty-eight million, nine hundred sixty-five thousand, six hundred forty-nine".