381162770 has 32 divisors (see below), whose sum is σ = 702584496. Its totient is φ = 148838400.

The previous prime is 381162679. The next prime is 381162811. The reversal of 381162770 is 77261183.

381162770 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 50395801 + 330766969 = 7099^2 + 18187^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 381162770.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81290 + ... + 85850.

Almost surely, 2^381162770 is an apocalyptic number.

381162770 is a deficient number, since it is larger than the sum of its proper divisors (321421726).

381162770 is a wasteful number, since it uses less digits than its factorization.

381162770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 381162770 is about 19523.3903305753. The cubic root of 381162770 is about 725.0536749797.

The spelling of 381162770 in words is "three hundred eighty-one million, one hundred sixty-two thousand, seven hundred seventy".