378903276 has 108 divisors (see below), whose sum is σ = 1032551520. Its totient is φ = 117112320.

The previous prime is 378903271. The next prime is 378903277. The reversal of 378903276 is 672309873.

It is a happy number.

378903276 is a `hidden beast` number, since 378 + 9 + 0 + 3 + 276 = 666.

It is not an unprimeable number, because it can be changed into a prime (378903271) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 821686 + ... + 822146.

Almost surely, 2^378903276 is an apocalyptic number.

378903276 is a gapful number since it is divisible by the number (36) 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 378903276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516275760).

378903276 is an abundant number, since it is smaller than the sum of its proper divisors (653648244).

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

378903276 is a wasteful number, since it uses less digits than its factorization.

378903276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 378903276 is about 19465.4379863388. The cubic root of 378903276 is about 723.6181532940.

The spelling of 378903276 in words is "three hundred seventy-eight million, nine hundred three thousand, two hundred seventy-six".