38401667 has 4 divisors (see below), whose sum is σ = 38470440. Its totient is φ = 38332896.

The previous prime is 38401639. The next prime is 38401673. The reversal of 38401667 is 76610483.

38401667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76610483 = 17 ⋅4506499.

It is a cyclic number.

It is not a de Polignac number, because 38401667 - 2¹⁰ = 38400643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38401607) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 33542 + ... + 34667.

It is an arithmetic number, because the mean of its divisors is an integer number (9617610).

Almost surely, 2^38401667 is an apocalyptic number.

38401667 is a deficient number, since it is larger than the sum of its proper divisors (68773).

38401667 is an equidigital number, since it uses as much as digits as its factorization.

38401667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68772.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 38401667 is about 6196.9078579563. The cubic root of 38401667 is about 337.3779480023.

The spelling of 38401667 in words is "thirty-eight million, four hundred one thousand, six hundred sixty-seven".