38216487 has 16 divisors (see below), whose sum is σ = 52093440. Its totient is φ = 24915072.

The previous prime is 38216473. The next prime is 38216489. The reversal of 38216487 is 78461283.

It is not a de Polignac number, because 38216487 - 2⁴ = 38216471 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 26068 + ... + 27494.

It is an arithmetic number, because the mean of its divisors is an integer number (3255840).

Almost surely, 2^38216487 is an apocalyptic number.

38216487 is a deficient number, since it is larger than the sum of its proper divisors (13876953).

38216487 is a wasteful number, since it uses less digits than its factorization.

38216487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622.

The product of its digits is 64512, while the sum is 39.

The square root of 38216487 is about 6181.9484792418. The cubic root of 38216487 is about 336.8347741744.

The spelling of 38216487 in words is "thirty-eight million, two hundred sixteen thousand, four hundred eighty-seven".