429278426 has 8 divisors (see below), whose sum is σ = 648550560. Its totient is φ = 213094908.

The previous prime is 429278413. The next prime is 429278431. The reversal of 429278426 is 624872924.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771806 + ... + 772361.

It is an arithmetic number, because the mean of its divisors is an integer number (81068820).

Almost surely, 2^429278426 is an apocalyptic number.

429278426 is a deficient number, since it is larger than the sum of its proper divisors (219272134).

429278426 is a wasteful number, since it uses less digits than its factorization.

429278426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544308.

The product of its digits is 387072, while the sum is 44.

The square root of 429278426 is about 20719.0353539927. The cubic root of 429278426 is about 754.3617991753.

The spelling of 429278426 in words is "four hundred twenty-nine million, two hundred seventy-eight thousand, four hundred twenty-six".