378681048 has 64 divisors (see below), whose sum is σ = 1076380800. Its totient is φ = 123288480.

The previous prime is 378681047. The next prime is 378681053. The reversal of 378681048 is 840186873.

It is a super-2 number, since 2×378681048² = 286798672228756608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 378680994 and 378681012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378681047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11098 + ... + 29673.

It is an arithmetic number, because the mean of its divisors is an integer number (16818450).

Almost surely, 2^378681048 is an apocalyptic number.

It is an amenable number.

378681048 is an abundant number, since it is smaller than the sum of its proper divisors (697699752).

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

378681048 is a wasteful number, since it uses less digits than its factorization.

378681048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40829 (or 40819 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 378681048 is about 19459.7288778647. The cubic root of 378681048 is about 723.4766574967.

The spelling of 378681048 in words is "three hundred seventy-eight million, six hundred eighty-one thousand, forty-eight".