381682049 has 16 divisors (see below), whose sum is σ = 443904000. Its totient is φ = 321411024.

The previous prime is 381682043. The next prime is 381682069. The reversal of 381682049 is 940286183.

It is a cyclic number.

It is not a de Polignac number, because 381682049 - 2⁸ = 381681793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 381681997 and 381682015.

It is not an unprimeable number, because it can be changed into a prime (381682043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223802 + ... + 225500.

It is an arithmetic number, because the mean of its divisors is an integer number (27744000).

Almost surely, 2^381682049 is an apocalyptic number.

It is an amenable number.

381682049 is a deficient number, since it is larger than the sum of its proper divisors (62221951).

381682049 is a wasteful number, since it uses less digits than its factorization.

381682049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 381682049 is about 19536.6846982798. The cubic root of 381682049 is about 725.3827857327.

The spelling of 381682049 in words is "three hundred eighty-one million, six hundred eighty-two thousand, forty-nine".