384930 has 96 divisors (see below), whose sum is σ = 1257984. Its totient is φ = 79488.

The previous prime is 384919. The next prime is 384941. The reversal of 384930 is 39483.

It is an interprime number because it is at equal distance from previous prime (384919) and next prime (384941).

It is a super-2 number, since 2×384930² = 296342209800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 384894 and 384903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8167 + ... + 8213.

It is an arithmetic number, because the mean of its divisors is an integer number (13104).

2³⁸⁴⁹³⁰ is an apocalyptic number.

384930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 384930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628992).

384930 is an abundant number, since it is smaller than the sum of its proper divisors (873054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

384930 is a wasteful number, since it uses less digits than its factorization.

384930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 384930 is about 620.4272721278. The cubic root of 384930 is about 72.7434542593.

The spelling of 384930 in words is "three hundred eighty-four thousand, nine hundred thirty".