38503530 has 48 divisors (see below), whose sum is σ = 107813160. Its totient is φ = 9477504.

The previous prime is 38503501. The next prime is 38503547. The reversal of 38503530 is 3530583.

It can be written as a sum of positive squares in 4 ways, for example, as 30902481 + 7601049 = 5559^2 + 2757^2 .

It is a super-3 number, since 3×38503530³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38503494 and 38503503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15285 + ... + 17624.

Almost surely, 2^38503530 is an apocalyptic number.

38503530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38503530 is an abundant number, since it is smaller than the sum of its proper divisors (69309630).

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

38503530 is a wasteful number, since it uses less digits than its factorization.

38503530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32935 (or 32932 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 38503530 is about 6205.1212719817. The cubic root of 38503530 is about 337.6759905177.

The spelling of 38503530 in words is "thirty-eight million, five hundred three thousand, five hundred thirty".