38485449 has 20 divisors (see below), whose sum is σ = 58440580. Its totient is φ = 25233120.

The previous prime is 38485409. The next prime is 38485451. The reversal of 38485449 is 94458483.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9809424 + 28676025 = 3132^2 + 5355^2 .

It is not a de Polignac number, because 38485449 - 2⁸ = 38485193 is a prime.

It is a super-2 number, since 2×38485449² = 2962259569463202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38485409) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1047 + ... + 8835.

It is an arithmetic number, because the mean of its divisors is an integer number (2922029).

Almost surely, 2^38485449 is an apocalyptic number.

It is an amenable number.

38485449 is a deficient number, since it is larger than the sum of its proper divisors (19955131).

38485449 is an equidigital number, since it uses as much as digits as its factorization.

38485449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7862 (or 7853 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 38485449 is about 6203.6641591885. The cubic root of 38485449 is about 337.6231254468.

The spelling of 38485449 in words is "thirty-eight million, four hundred eighty-five thousand, four hundred forty-nine".