384675237 has 20 divisors (see below), whose sum is σ = 578513100. Its totient is φ = 254721024.

The previous prime is 384675229. The next prime is 384675259. The reversal of 384675237 is 732576483.

It can be written as a sum of positive squares in 2 ways, for example, as 63584676 + 321090561 = 7974^2 + 17919^2 .

It is not a de Polignac number, because 384675237 - 2³ = 384675229 is a prime.

It is a super-2 number, since 2×384675237² = 295950075922012338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 384675192 and 384675201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384175237) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3868 + ... + 28005.

It is an arithmetic number, because the mean of its divisors is an integer number (28925655).

Almost surely, 2^384675237 is an apocalyptic number.

It is an amenable number.

384675237 is a deficient number, since it is larger than the sum of its proper divisors (193837863).

384675237 is a wasteful number, since it uses less digits than its factorization.

384675237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32034 (or 32025 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 384675237 is about 19613.1393968431. The cubic root of 384675237 is about 727.2740248305.

The spelling of 384675237 in words is "three hundred eighty-four million, six hundred seventy-five thousand, two hundred thirty-seven".