378302836 has 12 divisors (see below), whose sum is σ = 700973028. Its totient is φ = 178024832.

The previous prime is 378302833. The next prime is 378302891. The reversal of 378302836 is 638203873.

It can be written as a sum of positive squares in 2 ways, for example, as 261792400 + 116510436 = 16180^2 + 10794^2 .

It is a super-2 number, since 2×378302836² = 286226071451285792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378302831) 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, 2781571 + ... + 2781706.

It is an arithmetic number, because the mean of its divisors is an integer number (58414419).

Almost surely, 2^378302836 is an apocalyptic number.

It is an amenable number.

378302836 is a deficient number, since it is larger than the sum of its proper divisors (322670192).

378302836 is a wasteful number, since it uses less digits than its factorization.

378302836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563298 (or 5563296 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 378302836 is about 19450.0086375302. The cubic root of 378302836 is about 723.2357170871.

The spelling of 378302836 in words is "three hundred seventy-eight million, three hundred two thousand, eight hundred thirty-six".