4053630 has 64 divisors (see below), whose sum is σ = 11289600. Its totient is φ = 912384.

The previous prime is 4053613. The next prime is 4053641. The reversal of 4053630 is 363504.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4053597 and 4053606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20271 + ... + 20469.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

Almost surely, 2^4053630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4053630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5644800).

4053630 is an abundant number, since it is smaller than the sum of its proper divisors (7235970).

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

4053630 is a wasteful number, since it uses less digits than its factorization.

4053630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 4053630 is about 2013.3628585032. The cubic root of 4053630 is about 159.4463940034.

The spelling of 4053630 in words is "four million, fifty-three thousand, six hundred thirty".