3778423 has 8 divisors (see below), whose sum is σ = 4200336. Its totient is φ = 3369600.

The previous prime is 3778421. The next prime is 3778427. The reversal of 3778423 is 3248773.

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

It is a cyclic number.

It is not a de Polignac number, because 3778423 - 2¹ = 3778421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2658 + ... + 3823.

It is an arithmetic number, because the mean of its divisors is an integer number (525042).

Almost surely, 2^3778423 is an apocalyptic number.

3778423 is a deficient number, since it is larger than the sum of its proper divisors (421913).

3778423 is a wasteful number, since it uses less digits than its factorization.

3778423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6545.

The product of its digits is 28224, while the sum is 34.

The square root of 3778423 is about 1943.8166065758. The cubic root of 3778423 is about 155.7531571767.

The spelling of 3778423 in words is "three million, seven hundred seventy-eight thousand, four hundred twenty-three".