434378377 has 12 divisors (see below), whose sum is σ = 446151888. Its totient is φ = 422876400.

The previous prime is 434378369. The next prime is 434378387. The reversal of 434378377 is 773873434.

It is not a de Polignac number, because 434378377 - 2³ = 434378369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434378317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 397602 + ... + 398692.

It is an arithmetic number, because the mean of its divisors is an integer number (37179324).

Almost surely, 2^434378377 is an apocalyptic number.

It is an amenable number.

434378377 is a deficient number, since it is larger than the sum of its proper divisors (11773511).

434378377 is a wasteful number, since it uses less digits than its factorization.

434378377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320 (or 1259 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 46.

The square root of 434378377 is about 20841.7460161091. The cubic root of 434378377 is about 757.3373914197.

The spelling of 434378377 in words is "four hundred thirty-four million, three hundred seventy-eight thousand, three hundred seventy-seven".