401078929 has 4 divisors (see below), whose sum is σ = 406728000. Its totient is φ = 395429860.

The previous prime is 401078921. The next prime is 401078939. The reversal of 401078929 is 929870104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401078929 - 2³ = 401078921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401078891 and 401078900.

It is not an unprimeable number, because it can be changed into a prime (401078921) by changing a digit.

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, 2824429 + ... + 2824570.

It is an arithmetic number, because the mean of its divisors is an integer number (101682000).

Almost surely, 2^401078929 is an apocalyptic number.

It is an amenable number.

401078929 is a deficient number, since it is larger than the sum of its proper divisors (5649071).

401078929 is an equidigital number, since it uses as much as digits as its factorization.

401078929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5649070.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 401078929 is about 20026.9550606177. The cubic root of 401078929 is about 737.4681730592.

The spelling of 401078929 in words is "four hundred one million, seventy-eight thousand, nine hundred twenty-nine".