38161672 has 32 divisors (see below), whose sum is σ = 73288800. Its totient is φ = 18623104.

The previous prime is 38161667. The next prime is 38161681. The reversal of 38161672 is 27616183.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109803 + ... + 110149.

It is an arithmetic number, because the mean of its divisors is an integer number (2290275).

Almost surely, 2^38161672 is an apocalyptic number.

It is an amenable number.

38161672 is a deficient number, since it is larger than the sum of its proper divisors (35127128).

38161672 is a wasteful number, since it uses less digits than its factorization.

38161672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 641 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 38161672 is about 6177.5134156066. The cubic root of 38161672 is about 336.6736532005.

The spelling of 38161672 in words is "thirty-eight million, one hundred sixty-one thousand, six hundred seventy-two".