38402245 has 16 divisors (see below), whose sum is σ = 53532288. Its totient is φ = 25899840.

The previous prime is 38402239. The next prime is 38402279. The reversal of 38402245 is 54220483.

38402245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38402245 - 2⁵ = 38402213 is a prime.

It is a Duffinian number.

It is a congruent 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 in 15 ways as a sum of consecutive naturals, for example, 6859 + ... + 11128.

It is an arithmetic number, because the mean of its divisors is an integer number (3345768).

Almost surely, 2^38402245 is an apocalyptic number.

38402245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38402245 is a deficient number, since it is larger than the sum of its proper divisors (15130043).

38402245 is a wasteful number, since it uses less digits than its factorization.

38402245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18060.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 38402245 is about 6196.9544939430. The cubic root of 38402245 is about 337.3796406673.

The spelling of 38402245 in words is "thirty-eight million, four hundred two thousand, two hundred forty-five".