38244621 has 16 divisors (see below), whose sum is σ = 52357760. Its totient is φ = 24822720.

The previous prime is 38244617. The next prime is 38244631. The reversal of 38244621 is 12644283.

It is not a de Polignac number, because 38244621 - 2² = 38244617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38244601) 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 15 ways as a sum of consecutive naturals, for example, 17835 + ... + 19863.

It is an arithmetic number, because the mean of its divisors is an integer number (3272360).

Almost surely, 2^38244621 is an apocalyptic number.

It is an amenable number.

38244621 is a deficient number, since it is larger than the sum of its proper divisors (14113139).

38244621 is a wasteful number, since it uses less digits than its factorization.

38244621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196.

The product of its digits is 9216, while the sum is 30.

The square root of 38244621 is about 6184.2235567612. The cubic root of 38244621 is about 336.9174102806.

The spelling of 38244621 in words is "thirty-eight million, two hundred forty-four thousand, six hundred twenty-one".