384313969 has 32 divisors (see below), whose sum is σ = 462470400. Its totient is φ = 315912960.

The previous prime is 384313961. The next prime is 384313973. The reversal of 384313969 is 969313483.

384313969 = T₂₁₄ + T₂₁₅ + ... + T₁₃₂₂.

It is a cyclic number.

It is not a de Polignac number, because 384313969 - 2³ = 384313961 is a prime.

It is a super-2 number, since 2×384313969² = 295394453537065922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384313961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345987 + ... + 347095.

It is an arithmetic number, because the mean of its divisors is an integer number (14452200).

Almost surely, 2^384313969 is an apocalyptic number.

It is an amenable number.

384313969 is a deficient number, since it is larger than the sum of its proper divisors (78156431).

384313969 is a wasteful number, since it uses less digits than its factorization.

384313969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225.

The product of its digits is 419904, while the sum is 46.

The square root of 384313969 is about 19603.9273871334. The cubic root of 384313969 is about 727.0462802284.

The spelling of 384313969 in words is "three hundred eighty-four million, three hundred thirteen thousand, nine hundred sixty-nine".