2693986 has 4 divisors (see below), whose sum is σ = 4040982. Its totient is φ = 1346992.

The previous prime is 2693969. The next prime is 2693989. The reversal of 2693986 is 6893962.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2640625 + 53361 = 1625^2 + 231^2 .

It is not an unprimeable number, because it can be changed into a prime (2693989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673495 + ... + 673498.

2^2693986 is an apocalyptic number.

2693986 is a deficient number, since it is larger than the sum of its proper divisors (1346996).

2693986 is a wasteful number, since it uses less digits than its factorization.

2693986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346995.

The product of its digits is 139968, while the sum is 43.

The square root of 2693986 is about 1641.3366504164. The cubic root of 2693986 is about 139.1442010580.

The spelling of 2693986 in words is "two million, six hundred ninety-three thousand, nine hundred eighty-six".