4638425 has 24 divisors (see below), whose sum is σ = 6374592. Its totient is φ = 3320000.

The previous prime is 4638419. The next prime is 4638449. The reversal of 4638425 is 5248364.

It is not a de Polignac number, because 4638425 - 2²² = 444121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4638391 and 4638400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27692 + ... + 27858.

It is an arithmetic number, because the mean of its divisors is an integer number (265608).

Almost surely, 2^4638425 is an apocalyptic number.

It is an amenable number.

4638425 is a deficient number, since it is larger than the sum of its proper divisors (1736167).

4638425 is a wasteful number, since it uses less digits than its factorization.

4638425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 284 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 4638425 is about 2153.7003041278. The cubic root of 4638425 is about 166.7721443438.

It can be divided in two parts, 463 and 8425, that added together give a palindrome (8888).

The spelling of 4638425 in words is "four million, six hundred thirty-eight thousand, four hundred twenty-five".