387485617 has 8 divisors (see below), whose sum is σ = 401068800. Its totient is φ = 373917264.

The previous prime is 387485611. The next prime is 387485663. The reversal of 387485617 is 716584783.

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 387485617 - 2⁷ = 387485489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387485611) 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, 89734 + ... + 93952.

It is an arithmetic number, because the mean of its divisors is an integer number (50133600).

Almost surely, 2^387485617 is an apocalyptic number.

It is an amenable number.

387485617 is a deficient number, since it is larger than the sum of its proper divisors (13583183).

387485617 is a wasteful number, since it uses less digits than its factorization.

387485617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7415.

The product of its digits is 1128960, while the sum is 49.

The square root of 387485617 is about 19684.6543530741. The cubic root of 387485617 is about 729.0408476519.

The spelling of 387485617 in words is "three hundred eighty-seven million, four hundred eighty-five thousand, six hundred seventeen".