4138790 has 8 divisors (see below), whose sum is σ = 7449840. Its totient is φ = 1655512.

The previous prime is 4138777. The next prime is 4138807. The reversal of 4138790 is 978314.

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

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 3 ways as a sum of consecutive naturals, for example, 206930 + ... + 206949.

It is an arithmetic number, because the mean of its divisors is an integer number (931230).

Almost surely, 2^4138790 is an apocalyptic number.

4138790 is a deficient number, since it is larger than the sum of its proper divisors (3311050).

4138790 is a wasteful number, since it uses less digits than its factorization.

4138790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413886.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 4138790 is about 2034.4016319301. The cubic root of 4138790 is about 160.5552324603. Note that the first 3 decimals are identical.

The spelling of 4138790 in words is "four million, one hundred thirty-eight thousand, seven hundred ninety".