378394532 has 6 divisors (see below), whose sum is σ = 662190438. Its totient is φ = 189197264.

The previous prime is 378394501. The next prime is 378394543. The reversal of 378394532 is 235493873.

It can be written as a sum of positive squares in only one way, i.e., 366186496 + 12208036 = 19136^2 + 3494^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47299313 + ... + 47299320.

It is an arithmetic number, because the mean of its divisors is an integer number (110365073).

Almost surely, 2^378394532 is an apocalyptic number.

It is an amenable number.

378394532 is a deficient number, since it is larger than the sum of its proper divisors (283795906).

378394532 is a wasteful number, since it uses less digits than its factorization.

378394532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94598637 (or 94598635 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The square root of 378394532 is about 19452.3657173106. The cubic root of 378394532 is about 723.2941468763.

The spelling of 378394532 in words is "three hundred seventy-eight million, three hundred ninety-four thousand, five hundred thirty-two".