4494540 has 48 divisors (see below), whose sum is σ = 12686688. Its totient is φ = 1188864.

The previous prime is 4494527. The next prime is 4494551. The reversal of 4494540 is 454944.

4494540 is nontrivially palindromic in base 14.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4494498 and 4494507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10164 + ... + 10596.

It is an arithmetic number, because the mean of its divisors is an integer number (264306).

Almost surely, 2^4494540 is an apocalyptic number.

It is an amenable number.

4494540 is an abundant number, since it is smaller than the sum of its proper divisors (8192148).

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

4494540 is a wasteful number, since it uses less digits than its factorization.

4494540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 4494540 is about 2120.0330186108. The cubic root of 4494540 is about 165.0295631142.

The spelling of 4494540 in words is "four million, four hundred ninety-four thousand, five hundred forty".