368940469 has 4 divisors (see below), whose sum is σ = 369289260. Its totient is φ = 368591680.

The previous prime is 368940457. The next prime is 368940479. The reversal of 368940469 is 964049863.

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 198951025 + 169989444 = 14105^2 + 13038^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-368940469 is a prime.

It is a super-2 number, since 2×368940469² = 272234139331879922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368940449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172804 + ... + 174925.

It is an arithmetic number, because the mean of its divisors is an integer number (92322315).

Almost surely, 2^368940469 is an apocalyptic number.

It is an amenable number.

368940469 is a deficient number, since it is larger than the sum of its proper divisors (348791).

368940469 is a wasteful number, since it uses less digits than its factorization.

368940469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348790.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 368940469 is about 19207.8231197603. The cubic root of 368940469 is about 717.2195160362.

The spelling of 368940469 in words is "three hundred sixty-eight million, nine hundred forty thousand, four hundred sixty-nine".