378611 has 4 divisors (see below), whose sum is σ = 380424. Its totient is φ = 376800.

The previous prime is 378601. The next prime is 378619. The reversal of 378611 is 116873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116873 = 73 ⋅1601.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545 + ... + 1026.

It is an arithmetic number, because the mean of its divisors is an integer number (95106).

2³⁷⁸⁶¹¹ is an apocalyptic number.

378611 is a deficient number, since it is larger than the sum of its proper divisors (1813).

378611 is a wasteful number, since it uses less digits than its factorization.

378611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812.

The product of its digits is 1008, while the sum is 26.

The square root of 378611 is about 615.3137411110. The cubic root of 378611 is about 72.3432045443.

It can be divided in two parts, 378 and 611, that added together give a palindrome (989).

The spelling of 378611 in words is "three hundred seventy-eight thousand, six hundred eleven".