378523452 has 48 divisors (see below), whose sum is σ = 893692800. Its totient is φ = 124687680.

The previous prime is 378523451. The next prime is 378523459. The reversal of 378523452 is 254325873.

It is a self number, because there is not a number n which added to its sum of digits gives 378523452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378523451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611199 + ... + 611817.

It is an arithmetic number, because the mean of its divisors is an integer number (18618600).

Almost surely, 2^378523452 is an apocalyptic number.

It is an amenable number.

378523452 is an abundant number, since it is smaller than the sum of its proper divisors (515169348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378523452 is a wasteful number, since it uses less digits than its factorization.

378523452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146 (or 1144 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 378523452 is about 19455.6791708745. The cubic root of 378523452 is about 723.3762802809.

The spelling of 378523452 in words is "three hundred seventy-eight million, five hundred twenty-three thousand, four hundred fifty-two".