38389212 has 18 divisors (see below), whose sum is σ = 97039488. Its totient is φ = 12796392.

The previous prime is 38389207. The next prime is 38389223. The reversal of 38389212 is 21298383.

It is a happy number.

38389212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1066367 = 38389212 / (3 + 8 + 3 + 8 + 9 + 2 + 1 + 2).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 533148 + ... + 533219.

Almost surely, 2^38389212 is an apocalyptic number.

It is an amenable number.

38389212 is an abundant number, since it is smaller than the sum of its proper divisors (58650276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38389212 is a wasteful number, since it uses less digits than its factorization.

38389212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066377 (or 1066372 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 38389212 is about 6195.9028397805. The cubic root of 38389212 is about 337.3414695797.

The spelling of 38389212 in words is "thirty-eight million, three hundred eighty-nine thousand, two hundred twelve".