386403030 has 96 divisors (see below), whose sum is σ = 1145630304. Its totient is φ = 89515008.

The previous prime is 386402999. The next prime is 386403049. The reversal of 386403030 is 30304683.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 386402985 and 386403003.

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, 10177 + ... + 29603.

It is an arithmetic number, because the mean of its divisors is an integer number (11933649).

Almost surely, 2^386403030 is an apocalyptic number.

386403030 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 386403030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572815152).

386403030 is an abundant number, since it is smaller than the sum of its proper divisors (759227274).

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

386403030 is a wasteful number, since it uses less digits than its factorization.

386403030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19470 (or 19467 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 386403030 is about 19657.1368718845. The cubic root of 386403030 is about 728.3612643117.

The spelling of 386403030 in words is "three hundred eighty-six million, four hundred three thousand, thirty".