4018494 has 16 divisors (see below), whose sum is σ = 8509968. Its totient is φ = 1260672.

The previous prime is 4018489. The next prime is 4018507. The reversal of 4018494 is 4948104.

It is a super-2 number, since 2×4018494² = 32296588056072, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19597 + ... + 19800.

It is an arithmetic number, because the mean of its divisors is an integer number (531873).

Almost surely, 2^4018494 is an apocalyptic number.

4018494 is an abundant number, since it is smaller than the sum of its proper divisors (4491474).

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

4018494 is a wasteful number, since it uses less digits than its factorization.

4018494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39419.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 4018494 is about 2004.6181681308. The cubic root of 4018494 is about 158.9843740824.

The spelling of 4018494 in words is "four million, eighteen thousand, four hundred ninety-four".