429797378 has 8 divisors (see below), whose sum is σ = 645032700. Its totient is φ = 214786480.

The previous prime is 429797261. The next prime is 429797411. The reversal of 429797378 is 873797924.

It can be written as a sum of positive squares in 2 ways, for example, as 414407449 + 15389929 = 20357^2 + 3923^2 .

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

It is a super-2 number, since 2×429797378² = 369451572271349768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51233 + ... + 59028.

Almost surely, 2^429797378 is an apocalyptic number.

429797378 is a deficient number, since it is larger than the sum of its proper divisors (215235322).

429797378 is a wasteful number, since it uses less digits than its factorization.

429797378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112212.

The product of its digits is 5334336, while the sum is 56.

The square root of 429797378 is about 20731.5551273897. Note that the first 3 decimals coincide. The cubic root of 429797378 is about 754.6656578484.

The spelling of 429797378 in words is "four hundred twenty-nine million, seven hundred ninety-seven thousand, three hundred seventy-eight".