38464865 has 8 divisors (see below), whose sum is σ = 46634280. Its totient is φ = 30454272.

The previous prime is 38464859. The next prime is 38464891. The reversal of 38464865 is 56846483.

38464865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9778129 + 28686736 = 3127^2 + 5356^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38464865 - 2⁴ = 38464849 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 39170 + ... + 40139.

It is an arithmetic number, because the mean of its divisors is an integer number (5829285).

Almost surely, 2^38464865 is an apocalyptic number.

It is an amenable number.

38464865 is a deficient number, since it is larger than the sum of its proper divisors (8169415).

38464865 is an equidigital number, since it uses as much as digits as its factorization.

38464865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79411.

The product of its digits is 552960, while the sum is 44.

The square root of 38464865 is about 6202.0049177665. The cubic root of 38464865 is about 337.5629219675.

The spelling of 38464865 in words is "thirty-eight million, four hundred sixty-four thousand, eight hundred sixty-five".