285347429 has 4 divisors (see below), whose sum is σ = 286009920. Its totient is φ = 284684940.

The previous prime is 285347393. The next prime is 285347459. The reversal of 285347429 is 924743582.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 285347429 - 2⁸ = 285347173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 285347429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285347459) 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, 330599 + ... + 331460.

It is an arithmetic number, because the mean of its divisors is an integer number (71502480).

Almost surely, 2^285347429 is an apocalyptic number.

It is an amenable number.

285347429 is a deficient number, since it is larger than the sum of its proper divisors (662491).

285347429 is an equidigital number, since it uses as much as digits as its factorization.

285347429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662490.

The product of its digits is 483840, while the sum is 44.

The square root of 285347429 is about 16892.2298409653. The cubic root of 285347429 is about 658.3517403531.

The spelling of 285347429 in words is "two hundred eighty-five million, three hundred forty-seven thousand, four hundred twenty-nine".