426889029 has 24 divisors (see below), whose sum is σ = 665486400. Its totient is φ = 242694144.

The previous prime is 426888983. The next prime is 426889049. The reversal of 426889029 is 920988624.

It is not a de Polignac number, because 426889029 - 2¹² = 426884933 is a prime.

It is a super-3 number, since 3×426889029³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426889049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21957 + ... + 36549.

It is an arithmetic number, because the mean of its divisors is an integer number (27728600).

Almost surely, 2^426889029 is an apocalyptic number.

426889029 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

426889029 is a deficient number, since it is larger than the sum of its proper divisors (238597371).

426889029 is a wasteful number, since it uses less digits than its factorization.

426889029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14809 (or 14802 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 426889029 is about 20661.2930137492. The cubic root of 426889029 is about 752.9595822464.

The spelling of 426889029 in words is "four hundred twenty-six million, eight hundred eighty-nine thousand, twenty-nine".