4057290 has 40 divisors (see below), whose sum is σ = 10911780. Its totient is φ = 1081728.

The previous prime is 4057247. The next prime is 4057297. The reversal of 4057290 is 927504.

4057290 is a `hidden beast` number, since 4 + 0 + 572 + 90 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4028049 + 29241 = 2007^2 + 171^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (4057297) 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 19 ways as a sum of consecutive naturals, for example, 1695 + ... + 3314.

Almost surely, 2^4057290 is an apocalyptic number.

4057290 is an abundant number, since it is smaller than the sum of its proper divisors (6854490).

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

4057290 is a wasteful number, since it uses less digits than its factorization.

4057290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028 (or 5019 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 4057290 is about 2014.2715804975. The cubic root of 4057290 is about 159.4943673224.

The spelling of 4057290 in words is "four million, fifty-seven thousand, two hundred ninety".