4631418 has 80 divisors (see below), whose sum is σ = 11918016. Its totient is φ = 1330560.

The previous prime is 4631413. The next prime is 4631453. The reversal of 4631418 is 8141364.

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 = 4631391 and 4631400.

It is not an unprimeable number, because it can be changed into a prime (4631413) by changing a digit.

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 in 39 ways as a sum of consecutive naturals, for example, 40930 + ... + 41042.

Almost surely, 2^4631418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4631418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5959008).

4631418 is an abundant number, since it is smaller than the sum of its proper divisors (7286598).

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

4631418 is a wasteful number, since it uses less digits than its factorization.

4631418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 152 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 4631418 is about 2152.0729541537. The cubic root of 4631418 is about 166.6881243484.

It can be divided in two parts, 463 and 1418, that added together give a palindrome (1881).

The spelling of 4631418 in words is "four million, six hundred thirty-one thousand, four hundred eighteen".