400098286 has 16 divisors (see below), whose sum is σ = 687053664. Its totient is φ = 171177984.

The previous prime is 400098253. The next prime is 400098289. The reversal of 400098286 is 682890004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400098289) 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, 15795 + ... + 32398.

It is an arithmetic number, because the mean of its divisors is an integer number (42940854).

Almost surely, 2^400098286 is an apocalyptic number.

400098286 is a deficient number, since it is larger than the sum of its proper divisors (286955378).

400098286 is a wasteful number, since it uses less digits than its factorization.

400098286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48795.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 400098286 is about 20002.4569990789. The cubic root of 400098286 is about 736.8666429059.

The spelling of 400098286 in words is "four hundred million, ninety-eight thousand, two hundred eighty-six".