2621466 has 12 divisors (see below), whose sum is σ = 5679882. Its totient is φ = 873816.

The previous prime is 2621459. The next prime is 2621467. The reversal of 2621466 is 6641262.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2313441 + 308025 = 1521^2 + 555^2 .

It is not an unprimeable number, because it can be changed into a prime (2621467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72801 + ... + 72836.

2^2621466 is an apocalyptic number.

2621466 is an abundant number, since it is smaller than the sum of its proper divisors (3058416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2621466 is a wasteful number, since it uses less digits than its factorization.

2621466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145645 (or 145642 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 2621466 is about 1619.0941912069. The cubic root of 2621466 is about 137.8842760142.

It can be divided in two parts, 262 and 1466, that added together give a cube (1728 = 12³).

The spelling of 2621466 in words is "two million, six hundred twenty-one thousand, four hundred sixty-six".