4057000 has 32 divisors (see below), whose sum is σ = 9495720. Its totient is φ = 1622400.

The previous prime is 4056989. The next prime is 4057019. The reversal of 4057000 is 7504.

It can be written as a sum of positive squares in 4 ways, for example, as 1214404 + 2842596 = 1102^2 + 1686^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029 + ... + 3028.

Almost surely, 2^4057000 is an apocalyptic number.

4057000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4057000 is an abundant number, since it is smaller than the sum of its proper divisors (5438720).

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

4057000 is a wasteful number, since it uses less digits than its factorization.

4057000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078 (or 4064 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 4057000 is about 2014.1995928904. The cubic root of 4057000 is about 159.4905672104.

The spelling of 4057000 in words is "four million, fifty-seven thousand".