38481399 has 20 divisors (see below), whose sum is σ = 62711880. Its totient is φ = 23321520.

The previous prime is 38481397. The next prime is 38481407. The reversal of 38481399 is 99318483.

It is not a de Polignac number, because 38481399 - 2¹ = 38481397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38481397) 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, 20704 + ... + 22485.

It is an arithmetic number, because the mean of its divisors is an integer number (3135594).

Almost surely, 2^38481399 is an apocalyptic number.

38481399 is a deficient number, since it is larger than the sum of its proper divisors (24230481).

38481399 is a wasteful number, since it uses less digits than its factorization.

38481399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43212 (or 43203 counting only the distinct ones).

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

The square root of 38481399 is about 6203.3377306092. The cubic root of 38481399 is about 337.6112818222.

The spelling of 38481399 in words is "thirty-eight million, four hundred eighty-one thousand, three hundred ninety-nine".