3778045 has 8 divisors (see below), whose sum is σ = 4551480. Its totient is φ = 3010560.

The previous prime is 3778043. The next prime is 3778051. The reversal of 3778045 is 5408773.

It can be written as a sum of positive squares in 4 ways, for example, as 49284 + 3728761 = 222^2 + 1931^2 .

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

It is not a de Polignac number, because 3778045 - 2¹ = 3778043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3778045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778043) 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, 61 + ... + 2749.

It is an arithmetic number, because the mean of its divisors is an integer number (568935).

Almost surely, 2^3778045 is an apocalyptic number.

It is an amenable number.

3778045 is a deficient number, since it is larger than the sum of its proper divisors (773435).

3778045 is a wasteful number, since it uses less digits than its factorization.

3778045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 3778045 is about 1943.7193727491. The cubic root of 3778045 is about 155.7479630647.

The spelling of 3778045 in words is "three million, seven hundred seventy-eight thousand, forty-five".