400407098 has 32 divisors (see below), whose sum is σ = 763069440. Its totient is φ = 153290880.

The previous prime is 400407079. The next prime is 400407109. The reversal of 400407098 is 890704004.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29843 + ... + 41126.

It is an arithmetic number, because the mean of its divisors is an integer number (23845920).

Almost surely, 2^400407098 is an apocalyptic number.

400407098 is a deficient number, since it is larger than the sum of its proper divisors (362662342).

400407098 is a wasteful number, since it uses less digits than its factorization.

400407098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71022.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 400407098 is about 20010.1748618047. The cubic root of 400407098 is about 737.0561752865.

The spelling of 400407098 in words is "four hundred million, four hundred seven thousand, ninety-eight".