1942686 has 12 divisors (see below), whose sum is σ = 4209192. Its totient is φ = 647556.

The previous prime is 1942669. The next prime is 1942723. The reversal of 1942686 is 6862491.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1942686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53946 + ... + 53981.

It is an arithmetic number, because the mean of its divisors is an integer number (350766).

2^1942686 is an apocalyptic number.

1942686 is an abundant number, since it is smaller than the sum of its proper divisors (2266506).

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

1942686 is a wasteful number, since it uses less digits than its factorization.

1942686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107935 (or 107932 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1942686 is about 1393.8027120077. The cubic root of 1942686 is about 124.7769033935.

It can be divided in two parts, 1942 and 686, that added together give a triangular number (2628 = T₇₂).

The spelling of 1942686 in words is "one million, nine hundred forty-two thousand, six hundred eighty-six".