2851429 has 4 divisors (see below), whose sum is σ = 3258784. Its totient is φ = 2444076.

The previous prime is 2851423. The next prime is 2851441. The reversal of 2851429 is 9241582.

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 2851429 - 2³ = 2851421 is a prime.

It is a Duffinian number.

2851429 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2851429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2851421) 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, 203667 + ... + 203680.

It is an arithmetic number, because the mean of its divisors is an integer number (814696).

2^2851429 is an apocalyptic number.

It is an amenable number.

2851429 is a deficient number, since it is larger than the sum of its proper divisors (407355).

2851429 is an equidigital number, since it uses as much as digits as its factorization.

2851429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407354.

The product of its digits is 5760, while the sum is 31.

The square root of 2851429 is about 1688.6174818472. The cubic root of 2851429 is about 141.8036862712.

The spelling of 2851429 in words is "two million, eight hundred fifty-one thousand, four hundred twenty-nine".