381943038 has 32 divisors (see below), whose sum is σ = 775388160. Its totient is φ = 125405280.

The previous prime is 381943031. The next prime is 381943043. The reversal of 381943038 is 830349183.

381943038 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 381942987 and 381943005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381943031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298456 + ... + 299732.

It is an arithmetic number, because the mean of its divisors is an integer number (24230880).

Almost surely, 2^381943038 is an apocalyptic number.

381943038 is an abundant number, since it is smaller than the sum of its proper divisors (393445122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381943038 is a wasteful number, since it uses less digits than its factorization.

381943038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 381943038 is about 19543.3630166356. The cubic root of 381943038 is about 725.5480836938.

The spelling of 381943038 in words is "three hundred eighty-one million, nine hundred forty-three thousand, thirty-eight".