378146916 has 81 divisors (see below), whose sum is σ = 1114338771. Its totient is φ = 107808624.

The previous prime is 378146893. The next prime is 378146917. The reversal of 378146916 is 619641873.

It is a happy number.

The square root of 378146916 is 19446.

It is a perfect power (a square), and thus also a powerful number.

378146916 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×378146916² = 285990180160622112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (378146917) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 816501 + ... + 816963.

Almost surely, 2^378146916 is an apocalyptic number.

378146916 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

378146916 is the 19446-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378146916

378146916 is an abundant number, since it is smaller than the sum of its proper divisors (736191855).

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

378146916 is a wasteful number, since it uses less digits than its factorization.

378146916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950 (or 475 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The cubic root of 378146916 is about 723.1363413152.

The spelling of 378146916 in words is "three hundred seventy-eight million, one hundred forty-six thousand, nine hundred sixteen".