381361099 has 8 divisors (see below), whose sum is σ = 436075488. Its totient is φ = 326705280.

The previous prime is 381361069. The next prime is 381361121. The reversal of 381361099 is 990163183.

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 381361099 - 2⁷ = 381360971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381361069) 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, 339 + ... + 27619.

It is an arithmetic number, because the mean of its divisors is an integer number (54509436).

Almost surely, 2^381361099 is an apocalyptic number.

381361099 is a deficient number, since it is larger than the sum of its proper divisors (54714389).

381361099 is a wasteful number, since it uses less digits than its factorization.

381361099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29285.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 381361099 is about 19528.4689364015. The cubic root of 381361099 is about 725.1794079981.

The spelling of 381361099 in words is "three hundred eighty-one million, three hundred sixty-one thousand, ninety-nine".