2686942 has 8 divisors (see below), whose sum is σ = 4242600. Its totient is φ = 1272744.

The previous prime is 2686921. The next prime is 2686949. The reversal of 2686942 is 2496862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2686942² = 14439314622728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35317 + ... + 35392.

It is an arithmetic number, because the mean of its divisors is an integer number (530325).

2^2686942 is an apocalyptic number.

2686942 is a deficient number, since it is larger than the sum of its proper divisors (1555658).

2686942 is a wasteful number, since it uses less digits than its factorization.

2686942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70730.

The product of its digits is 41472, while the sum is 37.

The square root of 2686942 is about 1639.1894338361. The cubic root of 2686942 is about 139.0228211585.

It can be divided in two parts, 26 and 86942, that added together give a palindrome (86968).

The spelling of 2686942 in words is "two million, six hundred eighty-six thousand, nine hundred forty-two".