378453 has 4 divisors (see below), whose sum is σ = 504608. Its totient is φ = 252300.

The previous prime is 378449. The next prime is 378463. The reversal of 378453 is 354873.

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 not a de Polignac number, because 378453 - 2² = 378449 is a prime.

It is a D-number.

It is a Duffinian number.

378453 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 378453.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 378453.

It is not an unprimeable number, because it can be changed into a prime (378463) 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, 63073 + ... + 63078.

It is an arithmetic number, because the mean of its divisors is an integer number (126152).

2³⁷⁸⁴⁵³ is an apocalyptic number.

It is an amenable number.

378453 is a deficient number, since it is larger than the sum of its proper divisors (126155).

378453 is a wasteful number, since it uses less digits than its factorization.

378453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126154.

The product of its digits is 10080, while the sum is 30.

The square root of 378453 is about 615.1853379267. The cubic root of 378453 is about 72.3331398458. Note that the first 3 decimals are identical.

The spelling of 378453 in words is "three hundred seventy-eight thousand, four hundred fifty-three".