378317552 has 20 divisors (see below), whose sum is σ = 756636096. Its totient is φ = 183056640.

The previous prime is 378317539. The next prime is 378317561. The reversal of 378317552 is 255713873.

378317552 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380873 + ... + 381864.

Almost surely, 2^378317552 is an apocalyptic number.

It is an amenable number.

378317552 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

378317552 is a wasteful number, since it uses less digits than its factorization.

378317552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762776 (or 762770 counting only the distinct ones).

The product of its digits is 176400, while the sum is 41.

The square root of 378317552 is about 19450.3869370252. The cubic root of 378317552 is about 723.2450949346.

The spelling of 378317552 in words is "three hundred seventy-eight million, three hundred seventeen thousand, five hundred fifty-two".