308378380 has 24 divisors (see below), whose sum is σ = 659815632. Its totient is φ = 121023552.

The previous prime is 308378377. The next prime is 308378393. The reversal of 308378380 is 83873803.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144402 + ... + 146521.

It is an arithmetic number, because the mean of its divisors is an integer number (27492318).

Almost surely, 2^308378380 is an apocalyptic number.

It is an amenable number.

308378380 is an abundant number, since it is smaller than the sum of its proper divisors (351437252).

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

308378380 is a wasteful number, since it uses less digits than its factorization.

308378380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290985 (or 290983 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 308378380 is about 17560.7055666907. The cubic root of 308378380 is about 675.6077781451.

The spelling of 308378380 in words is "three hundred eight million, three hundred seventy-eight thousand, three hundred eighty".