1936818 has 64 divisors (see below), whose sum is σ = 4838400. Its totient is φ = 570240.

The previous prime is 1936817. The next prime is 1936819. The reversal of 1936818 is 8186391.

It is an interprime number because it is at equal distance from previous prime (1936817) and next prime (1936819).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

Its product of digits (10368) is a multiple of the sum of its prime factors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1936813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21718 + ... + 21806.

It is an arithmetic number, because the mean of its divisors is an integer number (75600).

2^1936818 is an apocalyptic number.

1936818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1936818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2419200).

1936818 is an abundant number, since it is smaller than the sum of its proper divisors (2901582).

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

1936818 is a wasteful number, since it uses less digits than its factorization.

1936818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 138 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1936818 is about 1391.6960875134. The cubic root of 1936818 is about 124.6511446385.

The spelling of 1936818 in words is "one million, nine hundred thirty-six thousand, eight hundred eighteen".