378845826 has 64 divisors (see below), whose sum is σ = 813957120. Its totient is φ = 117210240.

The previous prime is 378845809. The next prime is 378845827. The reversal of 378845826 is 628548873.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (378845827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1983391 + ... + 1983581.

It is an arithmetic number, because the mean of its divisors is an integer number (12718080).

Almost surely, 2^378845826 is an apocalyptic number.

378845826 is an abundant number, since it is smaller than the sum of its proper divisors (435111294).

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

378845826 is a wasteful number, since it uses less digits than its factorization.

378845826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its digits is 2580480, while the sum is 51.

The square root of 378845826 is about 19463.9622379412. The cubic root of 378845826 is about 723.5815793477.

The spelling of 378845826 in words is "three hundred seventy-eight million, eight hundred forty-five thousand, eight hundred twenty-six".