381704167 has 8 divisors (see below), whose sum is σ = 432701360. Its totient is φ = 333797760.

The previous prime is 381704117. The next prime is 381704171. The reversal of 381704167 is 761407183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 381704167 - 2¹¹ = 381702119 is a prime.

It is a super-2 number, since 2×381704167² = 291396142210327778, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381704117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772434 + ... + 772927.

It is an arithmetic number, because the mean of its divisors is an integer number (54087670).

Almost surely, 2^381704167 is an apocalyptic number.

381704167 is a deficient number, since it is larger than the sum of its proper divisors (50997193).

381704167 is a wasteful number, since it uses less digits than its factorization.

381704167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545393.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 381704167 is about 19537.2507533686. The cubic root of 381704167 is about 725.3967971388.

The spelling of 381704167 in words is "three hundred eighty-one million, seven hundred four thousand, one hundred sixty-seven".