426231406 has 8 divisors (see below), whose sum is σ = 651410424. Its totient is φ = 209094600.

The previous prime is 426231401. The next prime is 426231419. The reversal of 426231406 is 604132624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×426231406² = 363346422921473672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426231401) 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 3 ways as a sum of consecutive naturals, for example, 2010420 + ... + 2010631.

It is an arithmetic number, because the mean of its divisors is an integer number (81426303).

Almost surely, 2^426231406 is an apocalyptic number.

426231406 is a deficient number, since it is larger than the sum of its proper divisors (225179018).

426231406 is a wasteful number, since it uses less digits than its factorization.

426231406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021106.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 426231406 is about 20645.3725081433. The cubic root of 426231406 is about 752.5727385234.

The spelling of 426231406 in words is "four hundred twenty-six million, two hundred thirty-one thousand, four hundred six".