4057394 has 16 divisors (see below), whose sum is σ = 6795360. Its totient is φ = 1800960.

The previous prime is 4057381. The next prime is 4057397. The reversal of 4057394 is 4937504.

It is a self number, because there is not a number n which added to its sum of digits gives 4057394.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4057397) 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, 1199 + ... + 3090.

It is an arithmetic number, because the mean of its divisors is an integer number (424710).

Almost surely, 2^4057394 is an apocalyptic number.

4057394 is a deficient number, since it is larger than the sum of its proper divisors (2737966).

4057394 is a wasteful number, since it uses less digits than its factorization.

4057394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 4057394 is about 2014.2973961161. The cubic root of 4057394 is about 159.4957300770.

The spelling of 4057394 in words is "four million, fifty-seven thousand, three hundred ninety-four".