378717 has 8 divisors (see below), whose sum is σ = 517440. Its totient is φ = 246240.

The previous prime is 378713. The next prime is 378733. The reversal of 378717 is 717873.

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

It is not a de Polignac number, because 378717 - 2² = 378713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378713) 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, 1417 + ... + 1662.

It is an arithmetic number, because the mean of its divisors is an integer number (64680).

2³⁷⁸⁷¹⁷ is an apocalyptic number.

It is an amenable number.

378717 is a deficient number, since it is larger than the sum of its proper divisors (138723).

378717 is a wasteful number, since it uses less digits than its factorization.

378717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123.

The product of its digits is 8232, while the sum is 33.

The square root of 378717 is about 615.3998700032. The cubic root of 378717 is about 72.3499552410.

The spelling of 378717 in words is "three hundred seventy-eight thousand, seven hundred seventeen".