38304630 has 128 divisors (see below), whose sum is σ = 125798400. Its totient is φ = 8076672.

The previous prime is 38304613. The next prime is 38304649. The reversal of 38304630 is 3640383.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 38304594 and 38304603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23791 + ... + 25349.

It is an arithmetic number, because the mean of its divisors is an integer number (982800).

Almost surely, 2^38304630 is an apocalyptic number.

38304630 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 38304630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62899200).

38304630 is an abundant number, since it is smaller than the sum of its proper divisors (87493770).

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

38304630 is a wasteful number, since it uses less digits than its factorization.

38304630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595 (or 1589 counting only the distinct ones).

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

The square root of 38304630 is about 6189.0734363069. The cubic root of 38304630 is about 337.0935353664.

The spelling of 38304630 in words is "thirty-eight million, three hundred four thousand, six hundred thirty".