38254421 has 2 divisors, whose sum is σ = 38254422. Its totient is φ = 38254420.

The previous prime is 38254417. The next prime is 38254427. The reversal of 38254421 is 12445283.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38254225 + 196 = 6185^2 + 14^2 .

It is a cyclic number.

It is not a de Polignac number, because 38254421 - 2² = 38254417 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38254427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19127210 + 19127211.

It is an arithmetic number, because the mean of its divisors is an integer number (19127211).

Almost surely, 2^38254421 is an apocalyptic number.

It is an amenable number.

38254421 is a deficient number, since it is larger than the sum of its proper divisors (1).

38254421 is an equidigital number, since it uses as much as digits as its factorization.

38254421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 29.

The square root of 38254421 is about 6185.0158447655. The cubic root of 38254421 is about 336.9461856443.

The spelling of 38254421 in words is "thirty-eight million, two hundred fifty-four thousand, four hundred twenty-one".