402401706 has 32 divisors (see below), whose sum is σ = 920375808. Its totient is φ = 114896880.

The previous prime is 402401693. The next prime is 402401707. The reversal of 402401706 is 607104204.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (402401707) 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 15 ways as a sum of consecutive naturals, for example, 110901 + ... + 114471.

It is an arithmetic number, because the mean of its divisors is an integer number (28761744).

Almost surely, 2^402401706 is an apocalyptic number.

402401706 is an abundant number, since it is smaller than the sum of its proper divisors (517974102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402401706 is a wasteful number, since it uses less digits than its factorization.

402401706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 402401706 is about 20059.9527915696. The cubic root of 402401706 is about 738.2780182096.

The spelling of 402401706 in words is "four hundred two million, four hundred one thousand, seven hundred six".