426890433 has 12 divisors (see below), whose sum is σ = 577827600. Its totient is φ = 280337112.

The previous prime is 426890407. The next prime is 426890447. The reversal of 426890433 is 334098624.

It is not a de Polignac number, because 426890433 - 2¹³ = 426882241 is a prime.

It is a super-3 number, since 3×426890433³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 426890391 and 426890400.

It is not an unprimeable number, because it can be changed into a prime (426890473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2383 + ... + 29316.

It is an arithmetic number, because the mean of its divisors is an integer number (48152300).

Almost surely, 2^426890433 is an apocalyptic number.

It is an amenable number.

426890433 is a deficient number, since it is larger than the sum of its proper divisors (150937167).

426890433 is an equidigital number, since it uses as much as digits as its factorization.

426890433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31836 (or 31769 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 426890433 is about 20661.3269902976. The cubic root of 426890433 is about 752.9604077178.

The spelling of 426890433 in words is "four hundred twenty-six million, eight hundred ninety thousand, four hundred thirty-three".