380835445 has 16 divisors (see below), whose sum is σ = 484740720. Its totient is φ = 286239744.

The previous prime is 380835443. The next prime is 380835451. The reversal of 380835445 is 544538083.

It can be written as a sum of positive squares in 8 ways, for example, as 36881329 + 343954116 = 6073^2 + 18546^2 .

It is not a de Polignac number, because 380835445 - 2¹ = 380835443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 380835398 and 380835407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380835443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48451 + ... + 55759.

It is an arithmetic number, because the mean of its divisors is an integer number (30296295).

Almost surely, 2^380835445 is an apocalyptic number.

It is an amenable number.

380835445 is a deficient number, since it is larger than the sum of its proper divisors (103905275).

380835445 is a wasteful number, since it uses less digits than its factorization.

380835445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7944.

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 380835445 is about 19515.0056366889. The cubic root of 380835445 is about 724.8460679933.

The spelling of 380835445 in words is "three hundred eighty million, eight hundred thirty-five thousand, four hundred forty-five".