400426606 has 16 divisors (see below), whose sum is σ = 624492000. Its totient is φ = 192332448.

The previous prime is 400426601. The next prime is 400426627. The reversal of 400426606 is 606624004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400426601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5805 + ... + 28888.

It is an arithmetic number, because the mean of its divisors is an integer number (39030750).

Almost surely, 2^400426606 is an apocalyptic number.

400426606 is a deficient number, since it is larger than the sum of its proper divisors (224065394).

400426606 is a wasteful number, since it uses less digits than its factorization.

400426606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34923.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 400426606 is about 20010.6623078798. The cubic root of 400426606 is about 737.0681449864.

The spelling of 400426606 in words is "four hundred million, four hundred twenty-six thousand, six hundred six".