2018494 has 4 divisors (see below), whose sum is σ = 3027744. Its totient is φ = 1009246.

The previous prime is 2018483. The next prime is 2018507. The reversal of 2018494 is 4948102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4948102 = 2 ⋅2474051.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504622 + ... + 504625.

It is an arithmetic number, because the mean of its divisors is an integer number (756936).

2^2018494 is an apocalyptic number.

2018494 is a deficient number, since it is larger than the sum of its proper divisors (1009250).

2018494 is a wasteful number, since it uses less digits than its factorization.

2018494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009249.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2018494 is about 1420.7371326181. The cubic root of 2018494 is about 126.3792637430.

The spelling of 2018494 in words is "two million, eighteen thousand, four hundred ninety-four".