2057146 has 32 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 798336.

The previous prime is 2057141. The next prime is 2057147. The reversal of 2057146 is 6417502.

It is a self number, because there is not a number n which added to its sum of digits gives 2057146.

It is not an unprimeable number, because it can be changed into a prime (2057141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16135 + ... + 16261.

It is an arithmetic number, because the mean of its divisors is an integer number (120960).

2^2057146 is an apocalyptic number.

2057146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2057146 is a deficient number, since it is larger than the sum of its proper divisors (1813574).

2057146 is a wasteful number, since it uses less digits than its factorization.

2057146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2057146 is about 1434.2754268271. The cubic root of 2057146 is about 127.1808447218.

The spelling of 2057146 in words is "two million, fifty-seven thousand, one hundred forty-six".