378326452 has 18 divisors (see below), whose sum is σ = 770164962. Its totient is φ = 162139824.

The previous prime is 378326441. The next prime is 378326477. The reversal of 378326452 is 254623873.

It can be written as a sum of positive squares in only one way, i.e., 222725776 + 155600676 = 14924^2 + 12474^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 964923 + ... + 965314.

Almost surely, 2^378326452 is an apocalyptic number.

It is an amenable number.

378326452 is an abundant number, since it is smaller than the sum of its proper divisors (391838510).

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

378326452 is a wasteful number, since it uses less digits than its factorization.

378326452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930255 (or 1930246 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 378326452 is about 19450.6157229019. The cubic root of 378326452 is about 723.2507663878.

The spelling of 378326452 in words is "three hundred seventy-eight million, three hundred twenty-six thousand, four hundred fifty-two".