378249601 has 4 divisors (see below), whose sum is σ = 381784752. Its totient is φ = 374714452.

The previous prime is 378249583. The next prime is 378249611. The reversal of 378249601 is 106942873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 378249601 - 2⁹ = 378249089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378249611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1767415 + ... + 1767628.

It is an arithmetic number, because the mean of its divisors is an integer number (95446188).

Almost surely, 2^378249601 is an apocalyptic number.

It is an amenable number.

378249601 is a deficient number, since it is larger than the sum of its proper divisors (3535151).

378249601 is a wasteful number, since it uses less digits than its factorization.

378249601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535150.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 378249601 is about 19448.6400809928. The cubic root of 378249601 is about 723.2017907757.

The spelling of 378249601 in words is "three hundred seventy-eight million, two hundred forty-nine thousand, six hundred one".