38194471 has 12 divisors (see below), whose sum is σ = 45633288. Its totient is φ = 31851792.

The previous prime is 38194459. The next prime is 38194477. The reversal of 38194471 is 17449183.

38194471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38194471 - 2¹⁵ = 38161703 is a prime.

It is a super-3 number, since 3×38194471³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38194471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38194477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8721 + ... + 12346.

It is an arithmetic number, because the mean of its divisors is an integer number (3802774).

Almost surely, 2^38194471 is an apocalyptic number.

38194471 is a deficient number, since it is larger than the sum of its proper divisors (7438817).

38194471 is a wasteful number, since it uses less digits than its factorization.

38194471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21118 (or 21111 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 38194471 is about 6180.1675543629. The cubic root of 38194471 is about 336.7700797675.

The spelling of 38194471 in words is "thirty-eight million, one hundred ninety-four thousand, four hundred seventy-one".