38264021 has 8 divisors (see below), whose sum is σ = 39660600. Its totient is φ = 36872640.

The previous prime is 38264003. The next prime is 38264027. The reversal of 38264021 is 12046283.

It can be written as a sum of positive squares in 4 ways, for example, as 1188100 + 37075921 = 1090^2 + 6089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38264021 - 2¹⁰ = 38262997 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 (38264027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19631 + ... + 21491.

It is an arithmetic number, because the mean of its divisors is an integer number (4957575).

Almost surely, 2^38264021 is an apocalyptic number.

It is an amenable number.

38264021 is a deficient number, since it is larger than the sum of its proper divisors (1396579).

38264021 is a wasteful number, since it uses less digits than its factorization.

38264021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 38264021 is about 6185.7918652344. The cubic root of 38264021 is about 336.9743689911.

The spelling of 38264021 in words is "thirty-eight million, two hundred sixty-four thousand, twenty-one".