401429406 has 16 divisors (see below), whose sum is σ = 917553024. Its totient is φ = 114694104.

The previous prime is 401429387. The next prime is 401429407. The reversal of 401429406 is 604924104.

It is a super-2 number, since 2×401429406² = 322291136003025672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401429407) 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 7 ways as a sum of consecutive naturals, for example, 4778880 + ... + 4778963.

It is an arithmetic number, because the mean of its divisors is an integer number (57347064).

Almost surely, 2^401429406 is an apocalyptic number.

401429406 is an abundant number, since it is smaller than the sum of its proper divisors (516123618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401429406 is a wasteful number, since it uses less digits than its factorization.

401429406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9557855.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 401429406 is about 20035.7032818916. The cubic root of 401429406 is about 737.6829191397.

The spelling of 401429406 in words is "four hundred one million, four hundred twenty-nine thousand, four hundred six".