384694407 has 16 divisors (see below), whose sum is σ = 588303360. Its totient is φ = 248189400.

The previous prime is 384694381. The next prime is 384694433. The reversal of 384694407 is 704496483.

It is an interprime number because it is at equal distance from previous prime (384694381) and next prime (384694433).

It is not a de Polignac number, because 384694407 - 2⁷ = 384694279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384694447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228969 + ... + 230642.

It is an arithmetic number, because the mean of its divisors is an integer number (36768960).

Almost surely, 2^384694407 is an apocalyptic number.

384694407 is a deficient number, since it is larger than the sum of its proper divisors (203608953).

384694407 is a wasteful number, since it uses less digits than its factorization.

384694407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459651 (or 459645 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 384694407 is about 19613.6280937515. The cubic root of 384694407 is about 727.2861056805.

The spelling of 384694407 in words is "three hundred eighty-four million, six hundred ninety-four thousand, four hundred seven".