2621449 has 8 divisors (see below), whose sum is σ = 2774880. Its totient is φ = 2469600.

The previous prime is 2621447. The next prime is 2621459. The reversal of 2621449 is 9441262.

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

It is a cyclic number.

It is not a de Polignac number, because 2621449 - 2¹ = 2621447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2621447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5094 + ... + 5584.

It is an arithmetic number, because the mean of its divisors is an integer number (346860).

2^2621449 is an apocalyptic number.

It is an amenable number.

2621449 is a deficient number, since it is larger than the sum of its proper divisors (153431).

2621449 is a wasteful number, since it uses less digits than its factorization.

2621449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791.

The product of its digits is 3456, while the sum is 28.

The square root of 2621449 is about 1619.0889413494. The cubic root of 2621449 is about 137.8839779574.

It can be divided in two parts, 262144 and 9, that multiplied together give a square (2359296 = 1536²).

The spelling of 2621449 in words is "two million, six hundred twenty-one thousand, four hundred forty-nine".