2057430 has 16 divisors (see below), whose sum is σ = 4937904. Its totient is φ = 548640.

The previous prime is 2057411. The next prime is 2057431. The reversal of 2057430 is 347502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2057397 and 2057406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34261 + ... + 34320.

It is an arithmetic number, because the mean of its divisors is an integer number (308619).

2^2057430 is an apocalyptic number.

2057430 is an abundant number, since it is smaller than the sum of its proper divisors (2880474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2057430 is a wasteful number, since it uses less digits than its factorization.

2057430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68591.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 2057430 is about 1434.3744281045. The cubic root of 2057430 is about 127.1866971176.

The spelling of 2057430 in words is "two million, fifty-seven thousand, four hundred thirty".