38320164 has 36 divisors (see below), whose sum is σ = 97117020. Its totient is φ = 12740160.

The previous prime is 38320151. The next prime is 38320171. The reversal of 38320164 is 46102383.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22638564 + 15681600 = 4758^2 + 3960^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15442 + ... + 17750.

It is an arithmetic number, because the mean of its divisors is an integer number (2697695).

Almost surely, 2^38320164 is an apocalyptic number.

It is an amenable number.

38320164 is an abundant number, since it is smaller than the sum of its proper divisors (58796856).

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

38320164 is a wasteful number, since it uses less digits than its factorization.

38320164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780 (or 2775 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 38320164 is about 6190.3282627014. The cubic root of 38320164 is about 337.1390973370.

The spelling of 38320164 in words is "thirty-eight million, three hundred twenty thousand, one hundred sixty-four".