378403308 has 36 divisors (see below), whose sum is σ = 968051448. Its totient is φ = 124613760.

The previous prime is 378403301. The next prime is 378403321. The reversal of 378403308 is 803304873.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (378403301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60333 + ... + 66308.

It is an arithmetic number, because the mean of its divisors is an integer number (26890318).

Almost surely, 2^378403308 is an apocalyptic number.

It is an amenable number.

378403308 is an abundant number, since it is smaller than the sum of its proper divisors (589648140).

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

378403308 is a wasteful number, since it uses less digits than its factorization.

378403308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126734 (or 126729 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 378403308 is about 19452.5912926787. The cubic root of 378403308 is about 723.2997385536.

The spelling of 378403308 in words is "three hundred seventy-eight million, four hundred three thousand, three hundred eight".