38503538 has 24 divisors (see below), whose sum is σ = 64561212. Its totient is φ = 17160192.

The previous prime is 38503501. The next prime is 38503547. The reversal of 38503538 is 83530583.

It can be written as a sum of positive squares in 2 ways, for example, as 28912129 + 9591409 = 5377^2 + 3097^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38503498 and 38503507.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 10706 + ... + 13842.

Almost surely, 2^38503538 is an apocalyptic number.

38503538 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

38503538 is a deficient number, since it is larger than the sum of its proper divisors (26057674).

38503538 is a wasteful number, since it uses less digits than its factorization.

38503538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194 (or 3175 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 38503538 is about 6205.1219166105. The cubic root of 38503538 is about 337.6760139044.

The spelling of 38503538 in words is "thirty-eight million, five hundred three thousand, five hundred thirty-eight".