381634003 has 8 divisors (see below), whose sum is σ = 404723088. Its totient is φ = 358616064.

The previous prime is 381633991. The next prime is 381634013. The reversal of 381634003 is 300436183.

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

It is a cyclic number.

It is not a de Polignac number, because 381634003 - 2⁵ = 381633971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381634013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6526 + ... + 28387.

It is an arithmetic number, because the mean of its divisors is an integer number (50590386).

Almost surely, 2^381634003 is an apocalyptic number.

381634003 is a deficient number, since it is larger than the sum of its proper divisors (23089085).

381634003 is a wasteful number, since it uses less digits than its factorization.

381634003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35573.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 381634003 is about 19535.4550241350. The cubic root of 381634003 is about 725.3523474801.

The spelling of 381634003 in words is "three hundred eighty-one million, six hundred thirty-four thousand, three".