381366883 has 8 divisors (see below), whose sum is σ = 389765952. Its totient is φ = 372979776.

The previous prime is 381366877. The next prime is 381366889. The reversal of 381366883 is 388663183.

It is an interprime number because it is at equal distance from previous prime (381366877) and next prime (381366889).

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 381366883 - 2⁵ = 381366851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381366889) 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, 98541 + ... + 102337.

It is an arithmetic number, because the mean of its divisors is an integer number (48720744).

Almost surely, 2^381366883 is an apocalyptic number.

381366883 is a deficient number, since it is larger than the sum of its proper divisors (8399069).

381366883 is a wasteful number, since it uses less digits than its factorization.

381366883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5981.

The product of its digits is 497664, while the sum is 46.

The square root of 381366883 is about 19528.6170273268. The cubic root of 381366883 is about 725.1830741791.

The spelling of 381366883 in words is "three hundred eighty-one million, three hundred sixty-six thousand, eight hundred eighty-three".