38522649 has 12 divisors (see below), whose sum is σ = 56457968. Its totient is φ = 23346840.

The previous prime is 38522639. The next prime is 38522669. The reversal of 38522649 is 94622583.

It is a happy number.

It is not a de Polignac number, because 38522649 - 2²⁴ = 21745433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38522639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52699 + ... + 53424.

Almost surely, 2^38522649 is an apocalyptic number.

It is an amenable number.

38522649 is a deficient number, since it is larger than the sum of its proper divisors (17935319).

38522649 is a wasteful number, since it uses less digits than its factorization.

38522649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106148 (or 106137 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 38522649 is about 6206.6616630843. The cubic root of 38522649 is about 337.7318724847.

The spelling of 38522649 in words is "thirty-eight million, five hundred twenty-two thousand, six hundred forty-nine".