381402094 has 4 divisors (see below), whose sum is σ = 572103144. Its totient is φ = 190701046.

The previous prime is 381402079. The next prime is 381402097. The reversal of 381402094 is 490204183.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381402097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95350522 + ... + 95350525.

It is an arithmetic number, because the mean of its divisors is an integer number (143025786).

Almost surely, 2^381402094 is an apocalyptic number.

381402094 is a deficient number, since it is larger than the sum of its proper divisors (190701050).

381402094 is a wasteful number, since it uses less digits than its factorization.

381402094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190701049.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 381402094 is about 19529.5185296515. The cubic root of 381402094 is about 725.2053918270.

The spelling of 381402094 in words is "three hundred eighty-one million, four hundred two thousand, ninety-four".