378733 has 2 divisors, whose sum is σ = 378734. Its totient is φ = 378732.

The previous prime is 378713. The next prime is 378739. The reversal of 378733 is 337873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299209 + 79524 = 547^2 + 282^2 .

It is an emirp because it is prime and its reverse (337873) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 378695 and 378704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189366 + 189367.

It is an arithmetic number, because the mean of its divisors is an integer number (189367).

2³⁷⁸⁷³³ is an apocalyptic number.

It is an amenable number.

378733 is a deficient number, since it is larger than the sum of its proper divisors (1).

378733 is an equidigital number, since it uses as much as digits as its factorization.

378733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 31.

The square root of 378733 is about 615.4128695437. The cubic root of 378733 is about 72.3509741047.

It can be divided in two parts, 378 and 733, that added together give a palindrome (1111).

The spelling of 378733 in words is "three hundred seventy-eight thousand, seven hundred thirty-three".