38464168 has 8 divisors (see below), whose sum is σ = 72120330. Its totient is φ = 19232080.

The previous prime is 38464163. The next prime is 38464177. The reversal of 38464168 is 86146483.

It can be written as a sum of positive squares in only one way, i.e., 29571844 + 8892324 = 5438^2 + 2982^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 38464168.

It is not an unprimeable number, because it can be changed into a prime (38464163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2404003 + ... + 2404018.

Almost surely, 2^38464168 is an apocalyptic number.

It is an amenable number.

38464168 is a deficient number, since it is larger than the sum of its proper divisors (33656162).

38464168 is a wasteful number, since it uses less digits than its factorization.

38464168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808027 (or 4808023 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 38464168 is about 6201.9487260054. The cubic root of 38464168 is about 337.5608830265.

The spelling of 38464168 in words is "thirty-eight million, four hundred sixty-four thousand, one hundred sixty-eight".