897429 has 8 divisors (see below), whose sum is σ = 1288672. Its totient is φ = 552240.

The previous prime is 897401. The next prime is 897433. The reversal of 897429 is 924798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 897429 - 2⁷ = 897301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 23011 = 897429 / (8 + 9 + 7 + 4 + 2 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11467 + ... + 11544.

It is an arithmetic number, because the mean of its divisors is an integer number (161084).

2⁸⁹⁷⁴²⁹ is an apocalyptic number.

It is an amenable number.

897429 is a deficient number, since it is larger than the sum of its proper divisors (391243).

897429 is a wasteful number, since it uses less digits than its factorization.

897429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23027.

The product of its digits is 36288, while the sum is 39.

The square root of 897429 is about 947.3272929669. The cubic root of 897429 is about 96.4569147331.

It can be divided in two parts, 897 and 429, that added together give a triangular number (1326 = T₅₁).

The spelling of 897429 in words is "eight hundred ninety-seven thousand, four hundred twenty-nine".