38148469 has 2 divisors, whose sum is σ = 38148470. Its totient is φ = 38148468.

The previous prime is 38148457. The next prime is 38148479. The reversal of 38148469 is 96484183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36360900 + 1787569 = 6030^2 + 1337^2 .

It is a cyclic number.

It is not a de Polignac number, because 38148469 - 2⁵ = 38148437 is a prime.

It is a super-2 number, since 2×38148469² = 2910611374087922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38148479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19074234 + 19074235.

It is an arithmetic number, because the mean of its divisors is an integer number (19074235).

Almost surely, 2^38148469 is an apocalyptic number.

It is an amenable number.

38148469 is a deficient number, since it is larger than the sum of its proper divisors (1).

38148469 is an equidigital number, since it uses as much as digits as its factorization.

38148469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 43.

The square root of 38148469 is about 6176.4446893014. Note that the first 3 decimals coincide. The cubic root of 38148469 is about 336.6348217872.

The spelling of 38148469 in words is "thirty-eight million, one hundred forty-eight thousand, four hundred sixty-nine".