381000086 has 8 divisors (see below), whose sum is σ = 591207120. Its totient is φ = 183931048.

The previous prime is 381000077. The next prime is 381000089. The reversal of 381000086 is 680000183.

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

It is a super-2 number, since 2×381000086² = 290322131064014792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381000089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3284426 + ... + 3284541.

It is an arithmetic number, because the mean of its divisors is an integer number (73900890).

Almost surely, 2^381000086 is an apocalyptic number.

381000086 is a deficient number, since it is larger than the sum of its proper divisors (210207034).

381000086 is a wasteful number, since it uses less digits than its factorization.

381000086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6568998.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 381000086 is about 19519.2234988997. The cubic root of 381000086 is about 724.9505069662.

The spelling of 381000086 in words is "three hundred eighty-one million, eighty-six", and thus it is an aban number.