381750436 has 48 divisors (see below), whose sum is σ = 722131200. Its totient is φ = 175938048.

The previous prime is 381750433. The next prime is 381750491. The reversal of 381750436 is 634057183.

It is a junction number, because it is equal to n+sod(n) for n = 381750395 and 381750404.

It is not an unprimeable number, because it can be changed into a prime (381750433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961390 + ... + 961786.

It is an arithmetic number, because the mean of its divisors is an integer number (15044400).

Almost surely, 2^381750436 is an apocalyptic number.

It is an amenable number.

381750436 is a deficient number, since it is larger than the sum of its proper divisors (340380764).

381750436 is a wasteful number, since it uses less digits than its factorization.

381750436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 381750436 is about 19538.4348400787. The cubic root of 381750436 is about 725.4261060742.

The spelling of 381750436 in words is "three hundred eighty-one million, seven hundred fifty thousand, four hundred thirty-six".