381602086 has 4 divisors (see below), whose sum is σ = 572403132. Its totient is φ = 190801042.

The previous prime is 381602069. The next prime is 381602093. The reversal of 381602086 is 680206183.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95400520 + ... + 95400523.

It is an arithmetic number, because the mean of its divisors is an integer number (143100783).

Almost surely, 2^381602086 is an apocalyptic number.

381602086 is a deficient number, since it is larger than the sum of its proper divisors (190801046).

381602086 is a wasteful number, since it uses less digits than its factorization.

381602086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190801045.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 381602086 is about 19534.6381077306. The cubic root of 381602086 is about 725.3321259100.

The spelling of 381602086 in words is "three hundred eighty-one million, six hundred two thousand, eighty-six".