2146429 has 4 divisors (see below), whose sum is σ = 2239776. Its totient is φ = 2053084.

The previous prime is 2146423. The next prime is 2146433. The reversal of 2146429 is 9246412.

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 2146429 - 2¹⁹ = 1622141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2146397 and 2146406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146423) 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, 46639 + ... + 46684.

It is an arithmetic number, because the mean of its divisors is an integer number (559944).

2^2146429 is an apocalyptic number.

It is an amenable number.

2146429 is a deficient number, since it is larger than the sum of its proper divisors (93347).

2146429 is an equidigital number, since it uses as much as digits as its factorization.

2146429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93346.

The product of its digits is 3456, while the sum is 28.

The square root of 2146429 is about 1465.0696229190. The cubic root of 2146429 is about 128.9947917694.

The spelling of 2146429 in words is "two million, one hundred forty-six thousand, four hundred twenty-nine".