4053638 has 4 divisors (see below), whose sum is σ = 6080460. Its totient is φ = 2026818.

The previous prime is 4053613. The next prime is 4053641. The reversal of 4053638 is 8363504.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4053638.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1013408 + ... + 1013411.

It is an arithmetic number, because the mean of its divisors is an integer number (1520115).

Almost surely, 2^4053638 is an apocalyptic number.

4053638 is a deficient number, since it is larger than the sum of its proper divisors (2026822).

4053638 is a wasteful number, since it uses less digits than its factorization.

4053638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026821.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 4053638 is about 2013.3648452280. The cubic root of 4053638 is about 159.4464988946.

The spelling of 4053638 in words is "four million, fifty-three thousand, six hundred thirty-eight".