2641946 has 4 divisors (see below), whose sum is σ = 3962922. Its totient is φ = 1320972.

The previous prime is 2641939. The next prime is 2641949. The reversal of 2641946 is 6491462.

It is a happy number.

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., 2449225 + 192721 = 1565^2 + 439^2 .

It is not an unprimeable number, because it can be changed into a prime (2641949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660485 + ... + 660488.

2^2641946 is an apocalyptic number.

2641946 is a deficient number, since it is larger than the sum of its proper divisors (1320976).

2641946 is a wasteful number, since it uses less digits than its factorization.

2641946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320975.

The product of its digits is 10368, while the sum is 32.

The square root of 2641946 is about 1625.4064107170. The cubic root of 2641946 is about 138.2424150567.

The spelling of 2641946 in words is "two million, six hundred forty-one thousand, nine hundred forty-six".