378696828 has 96 divisors (see below), whose sum is σ = 1009290240. Its totient is φ = 109762560.

The previous prime is 378696823. The next prime is 378696839. The reversal of 378696828 is 828696873.

It is a super-2 number, since 2×378696828² = 286822575074523168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378696821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157725 + ... + 160107.

It is an arithmetic number, because the mean of its divisors is an integer number (10513440).

Almost surely, 2^378696828 is an apocalyptic number.

378696828 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378696828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504645120).

378696828 is an abundant number, since it is smaller than the sum of its proper divisors (630593412).

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

378696828 is a wasteful number, since it uses less digits than its factorization.

378696828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467 (or 2465 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 57.

The square root of 378696828 is about 19460.1343263606. The cubic root of 378696828 is about 723.4867066776.

The spelling of 378696828 in words is "three hundred seventy-eight million, six hundred ninety-six thousand, eight hundred twenty-eight".