378433 has 4 divisors (see below), whose sum is σ = 412848. Its totient is φ = 344020.

The previous prime is 378407. The next prime is 378439. The reversal of 378433 is 334873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 378433 - 2⁵ = 378401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378439) 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, 17191 + ... + 17212.

It is an arithmetic number, because the mean of its divisors is an integer number (103212).

2³⁷⁸⁴³³ is an apocalyptic number.

It is an amenable number.

378433 is a deficient number, since it is larger than the sum of its proper divisors (34415).

378433 is a wasteful number, since it uses less digits than its factorization.

378433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34414.

The product of its digits is 6048, while the sum is 28.

The square root of 378433 is about 615.1690824481. The cubic root of 378433 is about 72.3318656336.

The spelling of 378433 in words is "three hundred seventy-eight thousand, four hundred thirty-three".