400060606 has 24 divisors (see below), whose sum is σ = 660791880. Its totient is φ = 181518480.

The previous prime is 400060579. The next prime is 400060627. The reversal of 400060606 is 606060004.

It is a Harshad number since it is a multiple of its sum of digits (22).

400060606 is a modest number, since divided by 60606 gives 400 as remainder.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 177720 + ... + 179956.

It is an arithmetic number, because the mean of its divisors is an integer number (27532995).

Almost surely, 2^400060606 is an apocalyptic number.

400060606 is a deficient number, since it is larger than the sum of its proper divisors (260731274).

400060606 is a wasteful number, since it uses less digits than its factorization.

400060606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000 (or 2989 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 400060606 is about 20001.5150926124. The cubic root of 400060606 is about 736.8435102510.

The spelling of 400060606 in words is "four hundred million, sixty thousand, six hundred six".