2235986 has 4 divisors (see below), whose sum is σ = 3353982. Its totient is φ = 1117992.

The previous prime is 2235973. The next prime is 2235997. The reversal of 2235986 is 6895322.

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., 2235025 + 961 = 1495^2 + 31^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558995 + ... + 558998.

2^2235986 is an apocalyptic number.

2235986 is a deficient number, since it is larger than the sum of its proper divisors (1117996).

2235986 is a wasteful number, since it uses less digits than its factorization.

2235986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117995.

The product of its digits is 25920, while the sum is 35.

The square root of 2235986 is about 1495.3213701409. The cubic root of 2235986 is about 130.7644505572.

The spelling of 2235986 in words is "two million, two hundred thirty-five thousand, nine hundred eighty-six".