4057636 has 12 divisors (see below), whose sum is σ = 7746480. Its totient is φ = 1844360.

The previous prime is 4057633. The next prime is 4057639. The reversal of 4057636 is 6367504.

It is an interprime number because it is at equal distance from previous prime (4057633) and next prime (4057639).

It is a junction number, because it is equal to n+sod(n) for n = 4057598 and 4057607.

It is not an unprimeable number, because it can be changed into a prime (4057631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46066 + ... + 46153.

It is an arithmetic number, because the mean of its divisors is an integer number (645540).

Almost surely, 2^4057636 is an apocalyptic number.

It is an amenable number.

4057636 is a deficient number, since it is larger than the sum of its proper divisors (3688844).

4057636 is a wasteful number, since it uses less digits than its factorization.

4057636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92234 (or 92232 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 4057636 is about 2014.3574657940. The cubic root of 4057636 is about 159.4989010121.

It can be divided in two parts, 405763 and 6, that added together give a square (405769 = 637²).

The spelling of 4057636 in words is "four million, fifty-seven thousand, six hundred thirty-six".