400100606 has 16 divisors (see below), whose sum is σ = 608083200. Its totient is φ = 197420760.

The previous prime is 400100531. The next prime is 400100609. The reversal of 400100606 is 606001004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400100609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54545 + ... + 61443.

It is an arithmetic number, because the mean of its divisors is an integer number (38005200).

Almost surely, 2^400100606 is an apocalyptic number.

400100606 is a deficient number, since it is larger than the sum of its proper divisors (207982594).

400100606 is a wasteful number, since it uses less digits than its factorization.

400100606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7279.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 400100606 is about 20002.5149918704. The cubic root of 400100606 is about 736.8680671620.

The spelling of 400100606 in words is "four hundred million, one hundred thousand, six hundred six".