38212104 has 32 divisors (see below), whose sum is σ = 109177920. Its totient is φ = 10917696.

The previous prime is 38212103. The next prime is 38212127. The reversal of 38212104 is 40121283.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (38212103) 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, 113559 + ... + 113894.

It is an arithmetic number, because the mean of its divisors is an integer number (3411810).

Almost surely, 2^38212104 is an apocalyptic number.

It is an amenable number.

38212104 is an abundant number, since it is smaller than the sum of its proper divisors (70965816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38212104 is a wasteful number, since it uses less digits than its factorization.

38212104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227469 (or 227465 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 38212104 is about 6181.5939691960. The cubic root of 38212104 is about 336.8218966323.

Adding to 38212104 its reverse (40121283), we get a palindrome (78333387).

The spelling of 38212104 in words is "thirty-eight million, two hundred twelve thousand, one hundred four".