381099650 has 24 divisors (see below), whose sum is σ = 739666944. Its totient is φ = 145811600.

The previous prime is 381099637. The next prime is 381099679. The reversal of 381099650 is 56990183.

It is a junction number, because it is equal to n+sod(n) for n = 381099598 and 381099607.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164546 + ... + 166845.

It is an arithmetic number, because the mean of its divisors is an integer number (30819456).

Almost surely, 2^381099650 is an apocalyptic number.

381099650 is a deficient number, since it is larger than the sum of its proper divisors (358567294).

381099650 is a wasteful number, since it uses less digits than its factorization.

381099650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331426 (or 331421 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 381099650 is about 19521.7737411333. The cubic root of 381099650 is about 725.0136501592.

The spelling of 381099650 in words is "three hundred eighty-one million, ninety-nine thousand, six hundred fifty".