378370641 has 16 divisors (see below), whose sum is σ = 558574848. Its totient is φ = 225891600.

The previous prime is 378370639. The next prime is 378370651. The reversal of 378370641 is 146073873.

It is not a de Polignac number, because 378370641 - 2¹ = 378370639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378370641.

It is not an unprimeable number, because it can be changed into a prime (378370651) 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, 83355 + ... + 87776.

It is an arithmetic number, because the mean of its divisors is an integer number (34910928).

Almost surely, 2^378370641 is an apocalyptic number.

It is an amenable number.

378370641 is a deficient number, since it is larger than the sum of its proper divisors (180204207).

378370641 is a wasteful number, since it uses less digits than its factorization.

378370641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171212.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 378370641 is about 19451.7516177850. The cubic root of 378370641 is about 723.2789241544.

The spelling of 378370641 in words is "three hundred seventy-eight million, three hundred seventy thousand, six hundred forty-one".