2046621 has 4 divisors (see below), whose sum is σ = 2728832. Its totient is φ = 1364412.

The previous prime is 2046607. The next prime is 2046631. The reversal of 2046621 is 1266402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2046621 - 2⁷ = 2046493 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2046631) 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, 341101 + ... + 341106.

It is an arithmetic number, because the mean of its divisors is an integer number (682208).

2^2046621 is an apocalyptic number.

It is an amenable number.

2046621 is a deficient number, since it is larger than the sum of its proper divisors (682211).

2046621 is an equidigital number, since it uses as much as digits as its factorization.

2046621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682210.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2046621 is about 1430.6016216963. The cubic root of 2046621 is about 126.9635748143.

The spelling of 2046621 in words is "two million, forty-six thousand, six hundred twenty-one".