381394299 has 36 divisors (see below), whose sum is σ = 605359608. Its totient is φ = 213333120.

The previous prime is 381394297. The next prime is 381394301. The reversal of 381394299 is 992493183.

It is an interprime number because it is at equal distance from previous prime (381394297) and next prime (381394301).

It is not a de Polignac number, because 381394299 - 2¹ = 381394297 is a prime.

It is a super-2 number, since 2×381394299² = 290923222619402802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (381394297) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 58239 + ... + 64455.

Almost surely, 2^381394299 is an apocalyptic number.

381394299 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

381394299 is a deficient number, since it is larger than the sum of its proper divisors (223965309).

381394299 is a wasteful number, since it uses less digits than its factorization.

381394299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268 (or 6244 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 381394299 is about 19529.3189589397. The cubic root of 381394299 is about 725.2004512716.

The spelling of 381394299 in words is "three hundred eighty-one million, three hundred ninety-four thousand, two hundred ninety-nine".