2019429 has 12 divisors (see below), whose sum is σ = 2936076. Its totient is φ = 1337472.

The previous prime is 2019419. The next prime is 2019461. The reversal of 2019429 is 9249102.

It can be written as a sum of positive squares in 2 ways, for example, as 1954404 + 65025 = 1398^2 + 255^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2019429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2019419) 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 11 ways as a sum of consecutive naturals, for example, 909 + ... + 2205.

It is an arithmetic number, because the mean of its divisors is an integer number (244673).

2^2019429 is an apocalyptic number.

It is an amenable number.

2019429 is a deficient number, since it is larger than the sum of its proper divisors (916647).

2019429 is a wasteful number, since it uses less digits than its factorization.

2019429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1473 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2019429 is about 1421.0661490585. The cubic root of 2019429 is about 126.3987743899.

The spelling of 2019429 in words is "two million, nineteen thousand, four hundred twenty-nine".