38300621 has 4 divisors (see below), whose sum is σ = 38544732. Its totient is φ = 38056512.

The previous prime is 38300597. The next prime is 38300627. The reversal of 38300621 is 12600383.

38300621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16491721 + 21808900 = 4061^2 + 4670^2 .

It is a cyclic number.

It is not a de Polignac number, because 38300621 - 2¹⁴ = 38284237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38300627) 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 3 ways as a sum of consecutive naturals, for example, 121820 + ... + 122133.

It is an arithmetic number, because the mean of its divisors is an integer number (9636183).

Almost surely, 2^38300621 is an apocalyptic number.

It is an amenable number.

38300621 is a deficient number, since it is larger than the sum of its proper divisors (244111).

38300621 is a wasteful number, since it uses less digits than its factorization.

38300621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244110.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 38300621 is about 6188.7495505958. The cubic root of 38300621 is about 337.0817747765.

The spelling of 38300621 in words is "thirty-eight million, three hundred thousand, six hundred twenty-one".