378212401 has 8 divisors (see below), whose sum is σ = 432466560. Its totient is φ = 324014208.

The previous prime is 378212381. The next prime is 378212407. The reversal of 378212401 is 104212873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 378212401 - 2⁷ = 378212273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378212401.

It is not an unprimeable number, because it can be changed into a prime (378212407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1665 + ... + 27553.

It is an arithmetic number, because the mean of its divisors is an integer number (54058320).

Almost surely, 2^378212401 is an apocalyptic number.

It is an amenable number.

378212401 is a deficient number, since it is larger than the sum of its proper divisors (54254159).

378212401 is a wasteful number, since it uses less digits than its factorization.

378212401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27983.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 378212401 is about 19447.6836924092. The cubic root of 378212401 is about 723.1780815737.

The spelling of 378212401 in words is "three hundred seventy-eight million, two hundred twelve thousand, four hundred one".