378402959 has 8 divisors (see below), whose sum is σ = 423960528. Its totient is φ = 334704960.

The previous prime is 378402911. The next prime is 378402971. The reversal of 378402959 is 959204873.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-378402959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378402989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464462 + ... + 465275.

It is an arithmetic number, because the mean of its divisors is an integer number (52995066).

Almost surely, 2^378402959 is an apocalyptic number.

378402959 is a deficient number, since it is larger than the sum of its proper divisors (45557569).

378402959 is a wasteful number, since it uses less digits than its factorization.

378402959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929785.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 378402959 is about 19452.5823221494. The cubic root of 378402959 is about 723.2995161880.

The spelling of 378402959 in words is "three hundred seventy-eight million, four hundred two thousand, nine hundred fifty-nine".