38021834 has 4 divisors (see below), whose sum is σ = 57032754. Its totient is φ = 19010916.

The previous prime is 38021821. The next prime is 38021857. The reversal of 38021834 is 43812083.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 22061809 + 15960025 = 4697^2 + 3995^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38021797 and 38021806.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9505457 + ... + 9505460.

Almost surely, 2^38021834 is an apocalyptic number.

38021834 is a deficient number, since it is larger than the sum of its proper divisors (19010920).

38021834 is a wasteful number, since it uses less digits than its factorization.

38021834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19010919.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 38021834 is about 6166.1847199058. The cubic root of 38021834 is about 336.2619190277.

The spelling of 38021834 in words is "thirty-eight million, twenty-one thousand, eight hundred thirty-four".