38567421 has 20 divisors (see below), whose sum is σ = 57836064. Its totient is φ = 25612200.

The previous prime is 38567393. The next prime is 38567443. The reversal of 38567421 is 12476583.

It is not a de Polignac number, because 38567421 - 2¹⁰ = 38566397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38567461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24426 + ... + 25956.

Almost surely, 2^38567421 is an apocalyptic number.

It is an amenable number.

38567421 is a deficient number, since it is larger than the sum of its proper divisors (19268643).

38567421 is a wasteful number, since it uses less digits than its factorization.

38567421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854 (or 1845 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 38567421 is about 6210.2673855479. The cubic root of 38567421 is about 337.8626620123.

The spelling of 38567421 in words is "thirty-eight million, five hundred sixty-seven thousand, four hundred twenty-one".