426957946 has 4 divisors (see below), whose sum is σ = 640436922. Its totient is φ = 213478972.

The previous prime is 426957929. The next prime is 426957953. The reversal of 426957946 is 649759624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 266048721 + 160909225 = 16311^2 + 12685^2 .

It is a junction number, because it is equal to n+sod(n) for n = 426957893 and 426957902.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 106739485 + ... + 106739488.

Almost surely, 2^426957946 is an apocalyptic number.

426957946 is a deficient number, since it is larger than the sum of its proper divisors (213478976).

426957946 is a wasteful number, since it uses less digits than its factorization.

426957946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213478975.

The product of its digits is 3265920, while the sum is 52.

The square root of 426957946 is about 20662.9607268658. The cubic root of 426957946 is about 753.0000993517. Note that the first 4 decimals are identical.

The spelling of 426957946 in words is "four hundred twenty-six million, nine hundred fifty-seven thousand, nine hundred forty-six".