38774405 has 8 divisors (see below), whose sum is σ = 46990584. Its totient is φ = 30712000.

The previous prime is 38774381. The next prime is 38774431. The reversal of 38774405 is 50447783.

38774405 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 23203489 + 15570916 = 4817^2 + 3946^2 .

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

It is not a de Polignac number, because 38774405 - 2⁶ = 38774341 is a prime.

It is a Duffinian number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 37886 + ... + 38895.

It is an arithmetic number, because the mean of its divisors is an integer number (5873823).

Almost surely, 2^38774405 is an apocalyptic number.

It is an amenable number.

38774405 is a deficient number, since it is larger than the sum of its proper divisors (8216179).

38774405 is a wasteful number, since it uses less digits than its factorization.

38774405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76887.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 38774405 is about 6226.9097472181. The cubic root of 38774405 is about 338.4659988088.

The spelling of 38774405 in words is "thirty-eight million, seven hundred seventy-four thousand, four hundred five".