38216481 has 8 divisors (see below), whose sum is σ = 51460224. Its totient is φ = 25225200.

The previous prime is 38216473. The next prime is 38216489. The reversal of 38216481 is 18461283.

It is an interprime number because it is at equal distance from previous prime (38216473) and next prime (38216489).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38216481 - 2³ = 38216473 is a prime.

It is a super-2 number, since 2×38216481² = 2920998840046722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38216489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62761 + ... + 63366.

It is an arithmetic number, because the mean of its divisors is an integer number (6432528).

Almost surely, 2^38216481 is an apocalyptic number.

It is an amenable number.

38216481 is a deficient number, since it is larger than the sum of its proper divisors (13243743).

38216481 is a wasteful number, since it uses less digits than its factorization.

38216481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126231.

The product of its digits is 9216, while the sum is 33.

The square root of 38216481 is about 6181.9479939579. The cubic root of 38216481 is about 336.8347565467.

The spelling of 38216481 in words is "thirty-eight million, two hundred sixteen thousand, four hundred eighty-one".