426894443 has 4 divisors (see below), whose sum is σ = 427028928. Its totient is φ = 426759960.

The previous prime is 426894431. The next prime is 426894487. The reversal of 426894443 is 344498624.

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

It is a cyclic number.

It is not a de Polignac number, because 426894443 - 2¹⁶ = 426828907 is a prime.

It is a super-3 number, since 3×426894443³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426894394 and 426894403.

It is not an unprimeable number, because it can be changed into a prime (426894943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62363 + ... + 68868.

It is an arithmetic number, because the mean of its divisors is an integer number (106757232).

Almost surely, 2^426894443 is an apocalyptic number.

426894443 is a deficient number, since it is larger than the sum of its proper divisors (134485).

426894443 is a wasteful number, since it uses less digits than its factorization.

426894443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134484.

The product of its digits is 663552, while the sum is 44.

The square root of 426894443 is about 20661.4240312714. The cubic root of 426894443 is about 752.9627653577.

The spelling of 426894443 in words is "four hundred twenty-six million, eight hundred ninety-four thousand, four hundred forty-three".