383426965 has 8 divisors (see below), whose sum is σ = 460328760. Its totient is φ = 306597312.

The previous prime is 383426947. The next prime is 383426971. The reversal of 383426965 is 569624383.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 128881 + 383298084 = 359^2 + 19578^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 383426965 - 2⁵ = 383426933 is a prime.

It is a super-2 number, since 2×383426965² = 294032474978222450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5554 + ... + 28243.

It is an arithmetic number, because the mean of its divisors is an integer number (57541095).

Almost surely, 2^383426965 is an apocalyptic number.

It is an amenable number.

383426965 is a deficient number, since it is larger than the sum of its proper divisors (76901795).

383426965 is a wasteful number, since it uses less digits than its factorization.

383426965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36071.

The product of its digits is 933120, while the sum is 46.

The square root of 383426965 is about 19581.2911984884. The cubic root of 383426965 is about 726.4865037698.

The spelling of 383426965 in words is "three hundred eighty-three million, four hundred twenty-six thousand, nine hundred sixty-five".