2057436 has 36 divisors (see below), whose sum is σ = 5284552. Its totient is φ = 674784.

The previous prime is 2057431. The next prime is 2057441. The reversal of 2057436 is 6347502.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2057431) and next prime (2057441).

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 1986 + ... + 2838.

2^2057436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2057436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2642276).

2057436 is an abundant number, since it is smaller than the sum of its proper divisors (3227116).

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

2057436 is a wasteful number, since it uses less digits than its factorization.

2057436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2057436 is about 1434.3765196070. The cubic root of 2057436 is about 127.1868207539.

The spelling of 2057436 in words is "two million, fifty-seven thousand, four hundred thirty-six".