3826378465 has 32 divisors (see below), whose sum is σ = 5846158080. Its totient is φ = 2338447104.

The previous prime is 3826378459. The next prime is 3826378469. The reversal of 3826378465 is 5648736283.

It is not a de Polignac number, because 3826378465 - 2⁹ = 3826377953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3826378469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131799 + ... + 158188.

It is an arithmetic number, because the mean of its divisors is an integer number (182692440).

Almost surely, 2^3826378465 is an apocalyptic number.

3826378465 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3826378465 is a deficient number, since it is larger than the sum of its proper divisors (2019779615).

3826378465 is a wasteful number, since it uses less digits than its factorization.

3826378465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290041.

The product of its digits is 5806080, while the sum is 52.

The square root of 3826378465 is about 61857.7276094103. The cubic root of 3826378465 is about 1564.0932479349.

The spelling of 3826378465 in words is "three billion, eight hundred twenty-six million, three hundred seventy-eight thousand, four hundred sixty-five".