4392630 has 160 divisors (see below), whose sum is σ = 14113440. Its totient is φ = 967680.

The previous prime is 4392611. The next prime is 4392653. The reversal of 4392630 is 362934.

4392630 = 184² + 185² + ... + 268².

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4392594 and 4392603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 151456 + ... + 151484.

It is an arithmetic number, because the mean of its divisors is an integer number (88209).

Almost surely, 2^4392630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4392630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7056720).

4392630 is an abundant number, since it is smaller than the sum of its proper divisors (9720810).

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

4392630 is a wasteful number, since it uses less digits than its factorization.

4392630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 4392630 is about 2095.8602052618. The cubic root of 4392630 is about 163.7727121149.

It can be divided in two parts, 43926 and 30, that added together give a triangular number (43956 = T₂₉₆).

The spelling of 4392630 in words is "four million, three hundred ninety-two thousand, six hundred thirty".