2102418 has 24 divisors (see below), whose sum is σ = 4582656. Its totient is φ = 696600.

The previous prime is 2102417. The next prime is 2102431. The reversal of 2102418 is 8142012.

It is a super-2 number, since 2×2102418² = 8840322893448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 2102418.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4663 + ... + 5093.

It is an arithmetic number, because the mean of its divisors is an integer number (190944).

2^2102418 is an apocalyptic number.

2102418 is an abundant number, since it is smaller than the sum of its proper divisors (2480238).

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

2102418 is a wasteful number, since it uses less digits than its factorization.

2102418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2102418 is about 1449.9717238622. The cubic root of 2102418 is about 128.1070474946.

It can be divided in two parts, 210 and 2418, that added together give a triangular number (2628 = T₇₂).

The spelling of 2102418 in words is "two million, one hundred two thousand, four hundred eighteen".