381340088 has 16 divisors (see below), whose sum is σ = 728504280. Its totient is φ = 187072288.

The previous prime is 381340087. The next prime is 381340109. The reversal of 381340088 is 880043183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381340087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449270 + ... + 450117.

Almost surely, 2^381340088 is an apocalyptic number.

It is an amenable number.

381340088 is a deficient number, since it is larger than the sum of its proper divisors (347164192).

381340088 is a wasteful number, since it uses less digits than its factorization.

381340088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899446 (or 899442 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 381340088 is about 19527.9309707916. The cubic root of 381340088 is about 725.1660898906.

The spelling of 381340088 in words is "three hundred eighty-one million, three hundred forty thousand, eighty-eight".