381844099 has 8 divisors (see below), whose sum is σ = 469962080. Its totient is φ = 302118336.

The previous prime is 381844069. The next prime is 381844103. The reversal of 381844099 is 990448183.

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

It is not a de Polignac number, because 381844099 - 2⁹ = 381843587 is a prime.

It is a super-2 number, since 2×381844099² = 291609831882243602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (381844039) 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, 2097954 + ... + 2098135.

It is an arithmetic number, because the mean of its divisors is an integer number (58745260).

Almost surely, 2^381844099 is an apocalyptic number.

381844099 is a deficient number, since it is larger than the sum of its proper divisors (88117981).

381844099 is a wasteful number, since it uses less digits than its factorization.

381844099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196109.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 381844099 is about 19540.8315841471. The cubic root of 381844099 is about 725.4854293239.

The spelling of 381844099 in words is "three hundred eighty-one million, eight hundred forty-four thousand, ninety-nine".