381810695 has 24 divisors (see below), whose sum is σ = 556157664. Its totient is φ = 250426176.

The previous prime is 381810691. The next prime is 381810703. The reversal of 381810695 is 596018183.

It is not a de Polignac number, because 381810695 - 2² = 381810691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381810691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28244 + ... + 39513.

It is an arithmetic number, because the mean of its divisors is an integer number (23173236).

Almost surely, 2^381810695 is an apocalyptic number.

381810695 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

381810695 is a deficient number, since it is larger than the sum of its proper divisors (174346969).

381810695 is a wasteful number, since it uses less digits than its factorization.

381810695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67799 (or 67792 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 381810695 is about 19539.9768423609. The cubic root of 381810695 is about 725.4642733756.

The spelling of 381810695 in words is "three hundred eighty-one million, eight hundred ten thousand, six hundred ninety-five".