378985435 has 4 divisors (see below), whose sum is σ = 454782528. Its totient is φ = 303188344.

The previous prime is 378985417. The next prime is 378985441. The reversal of 378985435 is 534589873.

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 378985435 - 2²⁷ = 244767707 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37898539 + ... + 37898548.

It is an arithmetic number, because the mean of its divisors is an integer number (113695632).

Almost surely, 2^378985435 is an apocalyptic number.

378985435 is a deficient number, since it is larger than the sum of its proper divisors (75797093).

378985435 is an equidigital number, since it uses as much as digits as its factorization.

378985435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75797092.

The product of its digits is 3628800, while the sum is 52.

The square root of 378985435 is about 19467.5482534396. The cubic root of 378985435 is about 723.6704511152.

The spelling of 378985435 in words is "three hundred seventy-eight million, nine hundred eighty-five thousand, four hundred thirty-five".