38398149 has 12 divisors (see below), whose sum is σ = 56246112. Its totient is φ = 25237800.

The previous prime is 38398133. The next prime is 38398153. The reversal of 38398149 is 94189383.

It is not a de Polignac number, because 38398149 - 2⁴ = 38398133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38398049) 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, 29407 + ... + 30684.

It is an arithmetic number, because the mean of its divisors is an integer number (4687176).

Almost surely, 2^38398149 is an apocalyptic number.

It is an amenable number.

38398149 is a deficient number, since it is larger than the sum of its proper divisors (17847963).

38398149 is a wasteful number, since it uses less digits than its factorization.

38398149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60168 (or 60165 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 38398149 is about 6196.6240002117. The cubic root of 38398149 is about 337.3676452216.

The spelling of 38398149 in words is "thirty-eight million, three hundred ninety-eight thousand, one hundred forty-nine".