381854026 has 8 divisors (see below), whose sum is σ = 574481700. Its totient is φ = 190360128.

The previous prime is 381854009. The next prime is 381854041. The reversal of 381854026 is 620458183.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 366760801 + 15093225 = 19151^2 + 3885^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282601 + ... + 283948.

Almost surely, 2^381854026 is an apocalyptic number.

381854026 is a deficient number, since it is larger than the sum of its proper divisors (192627674).

381854026 is a wasteful number, since it uses less digits than its factorization.

381854026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566888.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 381854026 is about 19541.0855890864. The cubic root of 381854026 is about 725.4917162103.

The spelling of 381854026 in words is "three hundred eighty-one million, eight hundred fifty-four thousand, twenty-six".