427394226 has 64 divisors (see below), whose sum is σ = 1005716736. Its totient is φ = 118560000.

The previous prime is 427394213. The next prime is 427394239. The reversal of 427394226 is 622493724.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (427394213) and next prime (427394239).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223876 + ... + 225776.

It is an arithmetic number, because the mean of its divisors is an integer number (15714324).

Almost surely, 2^427394226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427394226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502858368).

427394226 is an abundant number, since it is smaller than the sum of its proper divisors (578322510).

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

427394226 is a wasteful number, since it uses less digits than its factorization.

427394226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067.

The product of its digits is 145152, while the sum is 39.

The square root of 427394226 is about 20673.5150857323. The cubic root of 427394226 is about 753.2564923234.

The spelling of 427394226 in words is "four hundred twenty-seven million, three hundred ninety-four thousand, two hundred twenty-six".