378761284 has 24 divisors (see below), whose sum is σ = 724677408. Its totient is φ = 171786240.

The previous prime is 378761237. The next prime is 378761293. The reversal of 378761284 is 482167873.

378761284 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 2×378761284² = 286920220514657312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11332 + ... + 29764.

It is an arithmetic number, because the mean of its divisors is an integer number (30194892).

Almost surely, 2^378761284 is an apocalyptic number.

It is an amenable number.

378761284 is a deficient number, since it is larger than the sum of its proper divisors (345916124).

378761284 is a wasteful number, since it uses less digits than its factorization.

378761284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18915 (or 18913 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 378761284 is about 19461.7903595738. The cubic root of 378761284 is about 723.5277513077.

The spelling of 378761284 in words is "three hundred seventy-eight million, seven hundred sixty-one thousand, two hundred eighty-four".