38181087 has 12 divisors (see below), whose sum is σ = 63029200. Its totient is φ = 21817728.

The previous prime is 38181071. The next prime is 38181097. The reversal of 38181087 is 78018183.

It is not a de Polignac number, because 38181087 - 2⁴ = 38181071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38181007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302962 + ... + 303087.

Almost surely, 2^38181087 is an apocalyptic number.

38181087 is a deficient number, since it is larger than the sum of its proper divisors (24848113).

38181087 is a wasteful number, since it uses less digits than its factorization.

38181087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606062 (or 606059 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 38181087 is about 6179.0846409480. The cubic root of 38181087 is about 336.7307384945.

The spelling of 38181087 in words is "thirty-eight million, one hundred eighty-one thousand, eighty-seven".