2018746 has 4 divisors (see below), whose sum is σ = 3028122. Its totient is φ = 1009372.

The previous prime is 2018741. The next prime is 2018747. The reversal of 2018746 is 6478102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6478102 = 2 ⋅3239051.

It can be written as a sum of positive squares in only one way, i.e., 1125721 + 893025 = 1061^2 + 945^2 .

It is not an unprimeable number, because it can be changed into a prime (2018741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504685 + ... + 504688.

2^2018746 is an apocalyptic number.

2018746 is a deficient number, since it is larger than the sum of its proper divisors (1009376).

2018746 is a wasteful number, since it uses less digits than its factorization.

2018746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009375.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2018746 is about 1420.8258162069. The cubic root of 2018746 is about 126.3845228205.

The spelling of 2018746 in words is "two million, eighteen thousand, seven hundred forty-six".