38421863 has 4 divisors (see below), whose sum is σ = 38963088. Its totient is φ = 37880640.

The previous prime is 38421841. The next prime is 38421893. The reversal of 38421863 is 36812483.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38421863 - 2¹⁰ = 38420839 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 (38421893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270506 + ... + 270647.

It is an arithmetic number, because the mean of its divisors is an integer number (9740772).

Almost surely, 2^38421863 is an apocalyptic number.

38421863 is a deficient number, since it is larger than the sum of its proper divisors (541225).

38421863 is an equidigital number, since it uses as much as digits as its factorization.

38421863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541224.

The product of its digits is 27648, while the sum is 35.

The square root of 38421863 is about 6198.5371661385. The cubic root of 38421863 is about 337.4370816411.

The spelling of 38421863 in words is "thirty-eight million, four hundred twenty-one thousand, eight hundred sixty-three".