2036642 has 8 divisors (see below), whose sum is σ = 3077676. Its totient is φ = 1010752.

The previous prime is 2036623. The next prime is 2036663. The reversal of 2036642 is 2466302.

It can be written as a sum of positive squares in 2 ways, for example, as 1934881 + 101761 = 1391^2 + 319^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3443 + ... + 3990.

2^2036642 is an apocalyptic number.

2036642 is a deficient number, since it is larger than the sum of its proper divisors (1041034).

2036642 is a wasteful number, since it uses less digits than its factorization.

2036642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7572.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2036642 is about 1427.1096664237. The cubic root of 2036642 is about 126.7568870934.

The spelling of 2036642 in words is "two million, thirty-six thousand, six hundred forty-two".