38189650 has 48 divisors (see below), whose sum is σ = 75932640. Its totient is φ = 14240000.

The previous prime is 38189647. The next prime is 38189659. The reversal of 38189650 is 5698183.

It is a happy number.

38189650 is nontrivially palindromic in base 8.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (38189659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152025 + ... + 152275.

It is an arithmetic number, because the mean of its divisors is an integer number (1581930).

Almost surely, 2^38189650 is an apocalyptic number.

38189650 is a deficient number, since it is larger than the sum of its proper divisors (37742990).

38189650 is a wasteful number, since it uses less digits than its factorization.

38189650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 38189650 is about 6179.7775040854. Note that the first 3 decimals coincide. The cubic root of 38189650 is about 336.7559098556.

The spelling of 38189650 in words is "thirty-eight million, one hundred eighty-nine thousand, six hundred fifty".