38902394 has 4 divisors (see below), whose sum is σ = 58353594. Its totient is φ = 19451196.

The previous prime is 38902373. The next prime is 38902403. The reversal of 38902394 is 49320983.

38902394 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: 49320983 = 293 ⋅168331.

It can be written as a sum of positive squares in only one way, i.e., 36300625 + 2601769 = 6025^2 + 1613^2 .

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 9725597 + ... + 9725600.

Almost surely, 2^38902394 is an apocalyptic number.

38902394 is a deficient number, since it is larger than the sum of its proper divisors (19451200).

38902394 is a wasteful number, since it uses less digits than its factorization.

38902394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19451199.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 38902394 is about 6237.1783684612. The cubic root of 38902394 is about 338.8379997680.

The spelling of 38902394 in words is "thirty-eight million, nine hundred two thousand, three hundred ninety-four".