378490479 has 4 divisors (see below), whose sum is σ = 504653976. Its totient is φ = 252326984.

The previous prime is 378490477. The next prime is 378490523. The reversal of 378490479 is 974094873.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 378490479 - 2¹ = 378490477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378490477) 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, 63081744 + ... + 63081749.

It is an arithmetic number, because the mean of its divisors is an integer number (126163494).

Almost surely, 2^378490479 is an apocalyptic number.

378490479 is a deficient number, since it is larger than the sum of its proper divisors (126163497).

378490479 is a wasteful number, since it uses less digits than its factorization.

378490479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126163496.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 378490479 is about 19454.8317648856. The cubic root of 378490479 is about 723.3552753484.

The spelling of 378490479 in words is "three hundred seventy-eight million, four hundred ninety thousand, four hundred seventy-nine".