378407416 has 8 divisors (see below), whose sum is σ = 709513920. Its totient is φ = 189203704.

The previous prime is 378407413. The next prime is 378407417. The reversal of 378407416 is 614704873.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378407413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23650456 + ... + 23650471.

It is an arithmetic number, because the mean of its divisors is an integer number (88689240).

Almost surely, 2^378407416 is an apocalyptic number.

It is an amenable number.

378407416 is a deficient number, since it is larger than the sum of its proper divisors (331106504).

378407416 is a wasteful number, since it uses less digits than its factorization.

378407416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47300933 (or 47300929 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 378407416 is about 19452.6968824377. The cubic root of 378407416 is about 723.3023559590.

The spelling of 378407416 in words is "three hundred seventy-eight million, four hundred seven thousand, four hundred sixteen".