38213885 has 8 divisors (see below), whose sum is σ = 46923360. Its totient is φ = 29859984.

The previous prime is 38213869. The next prime is 38213893. The reversal of 38213885 is 58831283.

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

It is a cyclic number.

It is not a de Polignac number, because 38213885 - 2⁴ = 38213869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88655 + ... + 89084.

It is an arithmetic number, because the mean of its divisors is an integer number (5865420).

Almost surely, 2^38213885 is an apocalyptic number.

It is an amenable number.

38213885 is a deficient number, since it is larger than the sum of its proper divisors (8709475).

38213885 is a wasteful number, since it uses less digits than its factorization.

38213885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177787.

The product of its digits is 46080, while the sum is 38.

The square root of 38213885 is about 6181.7380242129. The cubic root of 38213885 is about 336.8271294462.

The spelling of 38213885 in words is "thirty-eight million, two hundred thirteen thousand, eight hundred eighty-five".