378607 has 4 divisors (see below), whose sum is σ = 400896. Its totient is φ = 356320.

The previous prime is 378601. The next prime is 378619. The reversal of 378607 is 706873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 706873 = 709 ⋅997.

It is a de Polignac number, because none of the positive numbers 2^k-378607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11119 + ... + 11152.

It is an arithmetic number, because the mean of its divisors is an integer number (100224).

2³⁷⁸⁶⁰⁷ is an apocalyptic number.

378607 is a deficient number, since it is larger than the sum of its proper divisors (22289).

378607 is a wasteful number, since it uses less digits than its factorization.

378607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22288.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 378607 is about 615.3104907281. The cubic root of 378607 is about 72.3429497763.

The spelling of 378607 in words is "three hundred seventy-eight thousand, six hundred seven".