381065635 has 16 divisors (see below), whose sum is σ = 464143680. Its totient is φ = 300309120.

The previous prime is 381065623. The next prime is 381065651. The reversal of 381065635 is 536560183.

It is not a de Polignac number, because 381065635 - 2⁹ = 381065123 is a prime.

It is a super-2 number, since 2×381065635² = 290422036355906450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 381065594 and 381065603.

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, 96714 + ... + 100576.

It is an arithmetic number, because the mean of its divisors is an integer number (29008980).

Almost surely, 2^381065635 is an apocalyptic number.

381065635 is a deficient number, since it is larger than the sum of its proper divisors (83078045).

381065635 is a wasteful number, since it uses less digits than its factorization.

381065635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 381065635 is about 19520.9025149966. The cubic root of 381065635 is about 724.9920791842.

The spelling of 381065635 in words is "three hundred eighty-one million, sixty-five thousand, six hundred thirty-five".