381794407 has 4 divisors (see below), whose sum is σ = 381846256. Its totient is φ = 381742560.

The previous prime is 381794393. The next prime is 381794429. The reversal of 381794407 is 704497183.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381794407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381794437) 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, 12594 + ... + 30367.

It is an arithmetic number, because the mean of its divisors is an integer number (95461564).

Almost surely, 2^381794407 is an apocalyptic number.

381794407 is a deficient number, since it is larger than the sum of its proper divisors (51849).

381794407 is an equidigital number, since it uses as much as digits as its factorization.

381794407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51848.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 381794407 is about 19539.5600513420. The cubic root of 381794407 is about 725.4539571550.

The spelling of 381794407 in words is "three hundred eighty-one million, seven hundred ninety-four thousand, four hundred seven".