429878245 has 8 divisors (see below), whose sum is σ = 516043800. Its totient is φ = 343776000.

The previous prime is 429878237. The next prime is 429878279. The reversal of 429878245 is 542878924.

It can be written as a sum of positive squares in 4 ways, for example, as 42536484 + 387341761 = 6522^2 + 19681^2 .

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

It is not a de Polignac number, because 429878245 - 2³ = 429878237 is a prime.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 681 + ... + 29329.

It is an arithmetic number, because the mean of its divisors is an integer number (64505475).

Almost surely, 2^429878245 is an apocalyptic number.

It is an amenable number.

429878245 is a deficient number, since it is larger than the sum of its proper divisors (86165555).

429878245 is a wasteful number, since it uses less digits than its factorization.

429878245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31655.

The product of its digits is 1290240, while the sum is 49.

The square root of 429878245 is about 20733.5053717407. The cubic root of 429878245 is about 754.7129853596.

The spelling of 429878245 in words is "four hundred twenty-nine million, eight hundred seventy-eight thousand, two hundred forty-five".