378349851 has 8 divisors (see below), whose sum is σ = 550327104. Its totient is φ = 229302920.

The previous prime is 378349847. The next prime is 378349861. The reversal of 378349851 is 158943873.

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

It is not a de Polignac number, because 378349851 - 2² = 378349847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378349851.

It is not an unprimeable number, because it can be changed into a prime (378349861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5732541 + ... + 5732606.

It is an arithmetic number, because the mean of its divisors is an integer number (68790888).

Almost surely, 2^378349851 is an apocalyptic number.

378349851 is a deficient number, since it is larger than the sum of its proper divisors (171977253).

378349851 is a wasteful number, since it uses less digits than its factorization.

378349851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11465161.

The product of its digits is 725760, while the sum is 48.

The square root of 378349851 is about 19451.2172112698. The cubic root of 378349851 is about 723.2656767874.

The spelling of 378349851 in words is "three hundred seventy-eight million, three hundred forty-nine thousand, eight hundred fifty-one".