38213834 has 8 divisors (see below), whose sum is σ = 57353988. Its totient is φ = 19095840.

The previous prime is 38213831. The next prime is 38213839. The reversal of 38213834 is 43831283.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36638809 + 1575025 = 6053^2 + 1255^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 38213834.

It is not an unprimeable number, because it can be changed into a prime (38213831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197 + ... + 8744.

Almost surely, 2^38213834 is an apocalyptic number.

38213834 is a deficient number, since it is larger than the sum of its proper divisors (19140154).

38213834 is a wasteful number, since it uses less digits than its factorization.

38213834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11080.

The product of its digits is 13824, while the sum is 32.

The square root of 38213834 is about 6181.7338991581. The cubic root of 38213834 is about 336.8269796037.

The spelling of 38213834 in words is "thirty-eight million, two hundred thirteen thousand, eight hundred thirty-four".