381040617 has 8 divisors (see below), whose sum is σ = 511932960. Its totient is φ = 252087680.

The previous prime is 381040559. The next prime is 381040619. The reversal of 381040617 is 716040183.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 381040617 - 2⁶ = 381040553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381040619) 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, 484392 + ... + 485177.

It is an arithmetic number, because the mean of its divisors is an integer number (63991620).

Almost surely, 2^381040617 is an apocalyptic number.

It is an amenable number.

381040617 is a deficient number, since it is larger than the sum of its proper divisors (130892343).

381040617 is a wasteful number, since it uses less digits than its factorization.

381040617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969703.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 381040617 is about 19520.2617041883. The cubic root of 381040617 is about 724.9762129334.

The spelling of 381040617 in words is "three hundred eighty-one million, forty thousand, six hundred seventeen".